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July 29, 2014

Homework Help: Math: Statistics

Recent Homework Questions About Statistics

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statistics
A researcher wants to compare the variances of the heights (in inches) of 4 year college basketball players with those of players in junior colleges. A sample of 30 players from each type of school is selected, and the variances of the heights for each type are: 4 year ...
Wednesday, April 17, 2013 at 9:30pm

STATISTICS
the percentage rates of home ownership for 8 randomdomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence. 66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9
Wednesday, April 17, 2013 at 8:30pm

Statistics
A quality control audit has been devised to check on the sampling procedure when a truckload of potatoes arrive at a packing plant. A random sample of 250 is selected and examined for bruises and other defects. The whole truckload will be rejected if 5% of the sample is ...
Wednesday, April 17, 2013 at 2:54pm

Statistics
Exam Grades. A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below.) At á = 0.05, can it be concluded that...
Wednesday, April 17, 2013 at 2:37pm

Statistics
A purchasing agent at the Kelly Bread Company wants to estimate the mean daily usage of rye flour. She takes a sample for 50 straight days and finds that the sample mean is 180 pounds with a sample standard deviation of 38.5 pounds. a) State the 90% confidence interval for the...
Tuesday, April 16, 2013 at 9:49pm

STATISTICS
A local donut shop wishes to test out its donuts against those of the competition which is planning to set up in the community. Each of 50 subjects tastes 2 unidentified donuts and says which they perfer. 31 or 62% of the subjects perfer the local company's donuts to the ...
Tuesday, April 16, 2013 at 6:54pm

STATISTICS
The following data represents the monthly natural gas consumption (in hundreds of cubic feet) for a family for a random sample of nine months selected from five years of data. The other variable is Degree-days which is a measure of temperature. Degree-days are the number of ...
Tuesday, April 16, 2013 at 6:28pm

Statistics
The national centre of health statistics reports that the mean systolic blood pressure for males 35-44 years of age is 128 and a standard deviation of 15. A group of 50 executives selected at random are tested and found to have an avarage of 132.3. Is there statistical ...
Tuesday, April 16, 2013 at 6:18pm

STATISTICS
The manager of an accounting office is studying the problem of incorrect account numbers being entered into the computer system and wishes to produce a p chart. A subgroup of 200 account numbers is selected from each day's enteries and checked to determine the number of ...
Tuesday, April 16, 2013 at 6:12pm

Statistics
The president of a bank selected a sample of 1500 applications to check if the approval or rejection of an application depends on which one of the two loan officers handles the application. The information obtained from the sample is summarized in the following 2 way table. ...
Tuesday, April 16, 2013 at 6:05pm

statistics
The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 and a standard deviation of .29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is 2.87 or lower
Tuesday, April 16, 2013 at 5:31pm

Statistics help
wildlife biologists inspect 165 deer taken by hunters and find 34 or 20.6% of them carry ticks that test positive for Lyme disease. Calculate the 99% margin of error and confidence interval for the proportion of deer that may carry ticks. How many deer are needed to be ...
Tuesday, April 16, 2013 at 3:46pm

Statistics
Wildlife biologists inspect 165 deer taken by hunters and find 34 or 20.6% of them carry ticks that test positive for Lyme disease. Calculate the 99% margin of error and confidence interval for the proportion of deer that may carry ticks. How many deer are needed to be ...
Tuesday, April 16, 2013 at 3:19pm

Help with statistics
The design tolerance thickness for an automotive part is 55mm to 65mm. If the process mean thickness is 61mm with a standard deviation of 2.3mm, then what percentage of the sheets will be acceptable?(What percentage will fall within the design tolerence?) Assume that the ...
Tuesday, April 16, 2013 at 2:53pm

Statistics
A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscentific survey had an inital result of 30% .
Tuesday, April 16, 2013 at 2:46pm

Statistics help please
A survey of 23 customers at a shopping centre asked the distance(km) travelled to reach the shopping centre. The data was entered into Minitab to determine the descriptive statistics.a survey of 23 customers at a shopping centre asked the distance(km) travelled to reach the ...
Tuesday, April 16, 2013 at 2:20pm

Statistics
Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Jet Green airlines’ planes hold 100 passengers. Past records indicate that 20% of the people ...
Tuesday, April 16, 2013 at 2:07pm

L.O
1. identify and describe 3 environmental health hazards that cause ill health,crises, and/or disasters within your community or any other community withing SA and globally. Include evidence that is current of the identified issues, use graphs, statistics, pictures,etc. 2. ...
Tuesday, April 16, 2013 at 1:19pm

Statistics for Development
one hundred students seat for a mathematics examination.the scores from this examination are normaly distributed with a population mean of 65% and a standard deviation of (a=10).what is the probability that students score;(i)less than 75% (ii)at least85% (iii)between 60% and 75%
Tuesday, April 16, 2013 at 5:26am

statistics
LSAT test scores are normally distributed with a mean of 490 and a standard deviation of 110. Find the probability that a randomly chosen test-taker will score between 320 and 600. (Round your answer to four decimal places.)
Tuesday, April 16, 2013 at 12:25am

statistics
It takes approximately 15 minutes to code one record. How many personnel hours would be needed to code 1,424 discharges for the month?
Monday, April 15, 2013 at 3:23pm

statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the population standard deviation. 3. Suppose a ...
Monday, April 15, 2013 at 10:41am

statistics
An economist wants to estimate the mean income for the first year of work for college graduates who majored in biology. How many such incomes must be found if the economist wants to be 95% confident that the sample mean is within $500 of the true population mean? Assume that ...
Sunday, April 14, 2013 at 9:41pm

statistics
Find the standard deviation, Sigma, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth. n = 639; p = 0.7
Sunday, April 14, 2013 at 2:19pm

Statistics
You have spent a very long time training your dog to open the refrigerator and bring you a drink when you ask him to. Since your pet can’t read, his selection of the specific type of beverage he brings is completely random – although you notice that, for reasons ...
Friday, April 12, 2013 at 10:58pm

Statistics
The lifetime of computer chips is approximately normal with mean 1.4×106 hours and standard deviation 3×105 hours. The statistics department has 5 computers built with that chip as the main component. What is the probability that all 5 computers last longer than 1....
Friday, April 12, 2013 at 5:56am

statistics
A pouch contains 59 green beads 78 red beads an 50 yellow beads how many blue beads should be added so that the probability of drawing a red bead is one third
Thursday, April 11, 2013 at 10:30pm

Statistics and Research Methods
Trying to understand these two correlations using the Pearson r. How do i interrupt the relationships 1)Just World and Locus of control r=-.224 p-value=.210 (Sig. 2-tailed) 2)Just world and Authoritarianism r=.329 p-value=.062 3)Locus of Control and Authoritarianism r=-.203 p...
Thursday, April 11, 2013 at 7:48pm

statistics
The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this year’s female graduates from your local high school is different from the national average. You measure an SRS of 78 female graduates and find that = 63.1 inches. ...
Thursday, April 11, 2013 at 10:25am

life orientation
1.Identify and describe 3 environmental health hazards that cause ill health,globally.Include evidence that is current of the identified issues.Use graph,statistics,pictures etc 2.Critically discuss 10 ways in which the environmental health hazard can impact negative on one&#...
Thursday, April 11, 2013 at 3:30am

statistics
7=2-5m;m=
Wednesday, April 10, 2013 at 11:38pm

Statistics
n inspector correctly identifies defective products 90% of the time. For the next 10 products, what is the probability that he makes fewer than 2 incorrect inspections? Note: Please report your answer with two places to the right of the decimal, rounding if appropriate.
Wednesday, April 10, 2013 at 3:01pm

Statistics
n inspector correctly identifies defective products 90% of the time. For the next 10 products, what is the probability that he makes fewer than 2 incorrect inspections? Note: Please report your answer with two places to the right of the decimal, rounding if appropriate.
Wednesday, April 10, 2013 at 3:00pm

statistics
A mail order company has 8% success rate. If it mails advertisements to 600 people, find the probability of getting less than 40 sales.
Tuesday, April 9, 2013 at 10:57pm

Statistics
Given a study of 9804 overweight or obese subjects with preexisting cardiovascular disease and/or type 2 diabetes. Subjects randomly assigned to subitramine (4906 subjects) or a placebo (4898 subjects) in a double-blind fashion. Primary outcome was observed in 561 subjects in ...
Tuesday, April 9, 2013 at 9:39pm

statistics
the mean annual salary for employees at a company is 36,000. at the end of the year, each employee receives a 1,000 bonus and a 5% raise( based on salary)what is the new annula sala
Tuesday, April 9, 2013 at 6:24pm

Statistics
Length of stay in a chronic disease hospital of a certain patient is 60 days with a standard deviation of 15. If it is reasonable to warrant an approximately normal distribution. Of lengths of stay find the probability that a randomly selected patient from this group will have...
Tuesday, April 9, 2013 at 4:02pm

Statistics
There is a mean of 30.23 lbs with a standard deviation of 13.84. Calculate the probability that randomly selected mother in North Carolina gained
Tuesday, April 9, 2013 at 3:53pm

social science statistics
a professor was curious to whether the students in a very large class she was teaching who turned in their first scored differently from the overall mean on the test.The overall mean score on the test was 75 with a standard deviation of 10;the score were approximately normally...
Tuesday, April 9, 2013 at 11:33am

statistics
The ages of five randomly chosen cars in the parking lot are determined to be 7,9,3,4 and 6 years old. If we consider this sample in groups of 3, what is the probability of the true mean falling between 5.5 and 6.5?
Tuesday, April 9, 2013 at 11:09am

Statistics
In his management information systems textbook,Professor David Kroenke raises and interesting point:"If 98% of our market has Internet access,do we have a responsibility to provide non-Internet materials to that other 2%?Suppose that 98% of the customers in your market ...
Tuesday, April 9, 2013 at 12:08am

Statistics help Please
The table below reports birth weight and whether the mother smoked for 189 pregnancies. If Smoking and Birthweight were independent, then we would expect the number of low birth weight babies born to smoking mothers to be: (???/???) * ??? = 23.1 The residual for the ...
Monday, April 8, 2013 at 4:04pm

Statistics Help please
Is Scanner Accuracy the Same for Specials? In a study of store checkout scanning systems, samples of purchases were used to compare the scanned prices to the posted prices. The accompanying table summarizes results for a sample of 819 items. When stores use scanners to check ...
Monday, April 8, 2013 at 3:58pm

Check answers please Statistics
Suppose that each student in stat. has a 9% chance of missing class on any given day and that student attendance is independent. In a stat. class of 20 students, find the probability that: 1) no student is absent =15.16 2) one student is absent =30 3) three student is absent =...
Monday, April 8, 2013 at 3:50pm

Please help with Statistics
: Is Scanner Accuracy the Same for Specials? 176 miles on Wednesdays, 181 miles on Thursdays, and 108 miles on Fridays. He wonders if this evidence contradicts his belief in a uniform distribution of miles across the days of the week. Explain why it is not appropriate to test ...
Monday, April 8, 2013 at 3:08pm

Statistics
The Boeing 757-200 ER airliner carries 200 passengers and has doors with a height of 72 inches. Heights of men are normally distributed with a mean of 69 inches and a standard deviation of 2.8 inches. b) assume that half of the 200 passengers are men, what doorway height ...
Monday, April 8, 2013 at 2:34pm

Statistics
Events and are mutually exclusive. Suppose event occurs with probability and event occurs with probability . Compute the probability that occurs or does not occur (or both). Compute the probability that either occurs without occurring or and both occur.
Monday, April 8, 2013 at 1:07pm

Math-Statistics
Assume that 60% of community college students are female. 1) If we pick 10 students at random justify why we can or cannot model this using a normal model. 2) Find the probability that 8 of the 10 students selected are female. 3) Find the probability that 8 of more of the 10 ...
Monday, April 8, 2013 at 12:36am

Statistics
A study of two groups of children since early childhood: One group of 62 attended preschool. A control group of 61 children from the same area and similar backgrounds did not attend preschool. Over 10 year period as adults, 38 of the preschool sample and 49 of the control ...
Monday, April 8, 2013 at 12:25am

Business Statistics
Suppose that in the past, 94% of all Hispanic grocery shoppers were women. Perhaps due to changing cultural values, we believe that more Hispanic men are now grocery shopping. We randomly sample 689 Hispanic grocery shoppers from around the United States and 606 are women. ...
Sunday, April 7, 2013 at 9:42pm

statistics
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 410 grams and a standard deviation of 10 grams. Find the weight that corresponds to each eventa. A.Highest 30 percent b. Middle 70 percent to c. Highest 90 percent d. Lowest 20 ...
Sunday, April 7, 2013 at 8:48pm

statistics
if your HIM department has 100,000 active medical records and you received 5,352 requests for records within a six month period, what is the request rate for the past six months
Sunday, April 7, 2013 at 5:36pm

Math
John has 4 math books, 6 biology books,, and 8 statistics books to arrange on a shelf. In how many ways can he arrange the books so that books on the same subject are grouped together?
Sunday, April 7, 2013 at 5:24pm

Statistics
If the average IQ is 100 with a standard deviation of 10, what percentage of the population has an IQ of at least 116?
Sunday, April 7, 2013 at 3:47pm

Statistics
IQ score are normally distributed with a mean of 95 and a standard deviation of 17. If the sample size is n=36 find the mean and standard distribution of sample mean
Sunday, April 7, 2013 at 2:47pm

Help with statistics
In a study of store checkout scanning systems, samples of purchases were used to compare the scanned prices to the posted prices. The accompanying table summarizes results for a sample of 819 items. When stores use scanners to check out items, are the error rates the same for ...
Saturday, April 6, 2013 at 10:02pm

statistics
A salesman who is on the road visiting clients thinks that on average he drives the same distance each day of the week. He keeps track of his mileage for several weeks and discovers that he averages 122 miles on Mondays, 203 miles on Tuesdays, 176 miles on Wednesdays, 181 ...
Saturday, April 6, 2013 at 10:01pm

statistics
The data below are the average one-way commute times (in minutes) of selected students during a summer literature class and the number of absences for those students for the term. Calculate the linear correlation coefficient.
Saturday, April 6, 2013 at 5:16pm

Statistics
3. The following table lists the frequency distribution for 60 rolls of a die. Outcome 1-spot 2-spot 3-spot 4-spot 5-spot 6-spot Frequency 7 12 8 15 11 7 Using the “Goodness of Fit” test at the 5% level of significance, test whether the null hypothesis that the given...
Saturday, April 6, 2013 at 1:09pm

Statistics
2. In 2009 a random sample of 70 unemployed people in Alabama showed an average weekly benefit of $199.65. In Mississippi, for a random sample of 65 the number was $187.93. Assume population standard deviations of $32.48 and $26.15 respectively. a. Using the 5% level of ...
Saturday, April 6, 2013 at 1:08pm

Statistics
If you draw two clubs on two consecutive draws from a standard deck of cards you win $660 otherwise you pay me $40
Friday, April 5, 2013 at 9:46pm

statistics
find p(9,4)
Friday, April 5, 2013 at 8:23pm

STATISTICS
A particular cell phone company offers 4 models o phones, each in 6 different colors and each available with any one of 5 calling plans. How many combinations are possible?
Friday, April 5, 2013 at 2:49pm

English
Mandy interviewed a source who told about how she was illegally treated by the police. Using her information in the speech is an example of: A. facts and statistics. B. narrative. C. testimony. D. hypothetical example. i'm confused between B & C 2. An advantage of using ...
Friday, April 5, 2013 at 1:05pm

English
1. In conducting a personal interview, setting limits on what will be covered should occur: A. at the beginning of the interview. B. in the middle of the interview. C. at the end of the interview. D. during the strategy stage. i'm confused between A & D 2. For Thomas to ...
Friday, April 5, 2013 at 12:36pm

statistics
Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=
Thursday, April 4, 2013 at 3:38pm

statistics
Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=
Thursday, April 4, 2013 at 3:31pm

statistics
. In his management information systems textbook, Professor David Kroenke raises an interesting point: “If 98% of our market has Internet access, do we have a responsibility to provide non-Internet materials to that other 2%? Suppose that 98% of the customers in your ...
Thursday, April 4, 2013 at 9:53am

Statistics and Research Methods
Walk me through the steps of answering these question in reference to the word problem. In fictional study, a pretest-posttest design was used to examine the influence of a television program on children's aggressiveness. The number of aggressive responses was measured ...
Thursday, April 4, 2013 at 12:07am

statistics
An educational researcher studying the ages of freshmen at community colleges took a sample of 12 students. The data below represent the ages of the students sampled
Wednesday, April 3, 2013 at 11:19pm

statistics
ER promises you will be seen in 10 minutes. the standard deviation is 2 minutes. chance someone will wait more than 13 minutes. i dont know what to do without a population size or sample size
Wednesday, April 3, 2013 at 1:41pm

Statistics
How would I find the confidence level (in %) if I am given the standard deviation, size of the random sample, and confidence interval?
Wednesday, April 3, 2013 at 10:51am

Statistics
Two cards are drawn from an ordinary deck of cards, and the first is not replaced before the second is drawn. What is the probability that one card is an ace and the other is a king
Tuesday, April 2, 2013 at 5:12pm

maths-statistics
If the mean of y1 and y2 is M1 and that of y1, y2, y3, y4 is M2, the mean of ay1, ay1.y3/a, y4/a is
Tuesday, April 2, 2013 at 4:01pm

maths-statistics
The median of the following incomplete frequency distribution is 10: x= 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 f= 0 , 2 , 5 , 6, 3 , 1 , 2 , Y Calculate the frequency of 8
Tuesday, April 2, 2013 at 3:18pm

Math Statistics
The annual per capita consumption of fresh apples (in pounds) in a nearby state can be approximated by a normal distribution, with a mean of 15.9 pounds and a standard deviation of 4.2 pounds. (a) What is the smallest annual per capita consumption of apples that can be in the ...
Monday, April 1, 2013 at 5:49pm

Statistics Math
The annual per capita consumption of fresh apples (in pounds) in a nearby state can be approximated by a normal distribution, with a mean of 15.4 pounds and a standard deviation of 3.8 pounds. (a) What is the smallest annual per capita consumption of apples that can be in the ...
Monday, April 1, 2013 at 5:22pm

Statistics Help Please
The following data were collected on non-conformances for a period of 10 days. Day Sample Size Non-conformances 1 100 12 2 100 14 3 100 10 4 100 18 5 100 22 6 100 14 7 100 15 8 100 13 9 100 14 10 100 16 On what day is the proportion of non-conformances largest? smallest? What ...
Sunday, March 31, 2013 at 9:42pm

statistics
In a carnival game, a player spins a wheel that stops with the pointer on one (and only one) of three colors. The likelihood of the pointer landing on each color is as follows: 65 percent BLUE, 22 percent RED, and 13 percent GREEN. Note: Your answers should be rounded to three...
Sunday, March 31, 2013 at 6:24pm

Statistics
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.028 of the true proportion. Assume a 99 percent level of confidence. ...
Sunday, March 31, 2013 at 3:10pm

statistics
Want to find if students who are musicians have higher Iq test scores than the general population. the researcher predicts that playing music is associated with higher IQ scores. the researcher selects a sample of 75 musicians from area and gives them an IQ test. The mean for ...
Saturday, March 30, 2013 at 7:49pm

College Statistics
A random variable X has a Gamma distribution with (alpha = a, beta = b). Show that P(X > 2ab) < (2/e)^a. hint: X > c is equivalent to e^Xt > e^ct
Saturday, March 30, 2013 at 3:05pm

Statistics
39% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name their favvorite kind of nut. Find the probability that the number who say cashews are thrie favorite nutis (a)exactly three, (b) at least four, (c) at most two
Saturday, March 30, 2013 at 1:18pm

statistics
A simple random sample size of n = 150 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic is p = 0.6. What is the probability of obtaining x = 96 or more individuals with the characteristic P(p hat)≥0.64
Saturday, March 30, 2013 at 12:02am

statistics
1. 35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected
Friday, March 29, 2013 at 5:29pm

statistics
I need a estimate within $25, the true average of amount of postage a company spends each year. If I want to be 98% confident, how large a sample is necessary? The standard deviation is known to be $80
Friday, March 29, 2013 at 1:03am

philosophy
I am to write a two page dialogue between Socrates and a person. I was thinking about writing about domestic violence. What do you think about that subject. Should I use statistics and numbers regarding this issue.
Thursday, March 28, 2013 at 8:11pm

statistics
The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. (a)One of the petals is 0.2 cm wider ...
Thursday, March 28, 2013 at 7:59pm

statistics
Undergraduates in a large university class were asked to record the time they spent on the most recent homework. In a histogram of the recorded times, the height of the bar over the interval “1 hour to 3 hours” is 4% per hour. The height of the bar over the interval...
Thursday, March 28, 2013 at 7:41pm

Statistics
DM Co. sells computer parts by mail. The company claims that at least 90% of all orders are delivered on time. A sample of 150 orders showed that 129 were mailed on time. Is the company’s claim true? Test using the 2.5% level of significance. Use the 5 step procedure.
Thursday, March 28, 2013 at 6:15pm

Statistics
A hospital claims that the mean waiting time at its emergency room is 25 minutes. A random sample of 16 patients produced a mean wait time of 27.5 minutes with a standard deviation of 4.8 minutes. Use the 1% level of significance to test is the wait time is different from 25 ...
Thursday, March 28, 2013 at 6:15pm

Statistics
Hello. I would like to ask a college statistics question. Q. One hundred draws are made at random with replacement from the box [1,2,2,5]. The draws come out as follows:17 [1]'s, 54 [2]'s, 29 [5]'s. Fill in the blanks, using the options below; show work. (a) For ...
Thursday, March 28, 2013 at 4:56pm

Statistics
Weights of male mountain lions follow the normal distribution with a median of 150 lb and an interquartile range of 8.2 lb.  Find the 75th percentile of the weights. Find the 95th percentile of the weights.
Thursday, March 28, 2013 at 1:43pm

Statistics
An orchestra consists of 25 members. The youngest member is 32 years old. She leaves and is replaced by a new member who is 30 years old. By how much does the replacement change the average age of the members of the orchestra? By how much does the replacement change the median...
Thursday, March 28, 2013 at 1:40pm

statistics
The standard deviation of the diameter of 18 baseballs was 0.29cm. Find the 95% confidence interval of the true standard deviation of the diameters of the baseballs. Do you think the manufacturing process should be checked for inconsistency?
Thursday, March 28, 2013 at 12:48am

statistics
confidence intervals: A researcher is interested in estimating the average salary of teachers in a large school district. She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050, how large a sample is needed to be accurate within $200.
Thursday, March 28, 2013 at 12:45am

statistics
suppose we went to test the claim that the average GPA of all students in this university is at least 2.8. however , from out class with 25 students, we find the average GPA is only 2.7 with standard deviation 0.35. can we reject the claim with significance level a=0.10?
Wednesday, March 27, 2013 at 9:52pm

statistics
Based on these reults, is a FICO score of 500 unusual? Why or why not?
Wednesday, March 27, 2013 at 8:17pm

statistics
Do these sample FICO scores appear to be consistent with the reported mean? 714 751 664 789 818 779 698 836 753 834 693 802
Wednesday, March 27, 2013 at 8:06pm

Grammar (Ms. Sue)
Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages REPRESENT statistics...
Wednesday, March 27, 2013 at 6:09pm

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