Tuesday
May 31, 2016

Homework Help: Math: Statistics

Recent Homework Questions About Statistics

statistics
The cholesterol levels of adult American women has a mound-shaped and symmetric distribution with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most American women’s cholesterol levels to be? Explain.
Saturday, September 19, 2015 by katie

Statistics
. Wildlife biologists inspect 153 deer taken by hunters and find 32 of them carrying ticks that test positive for Lyme disease. a) Construct and interpret a 90% confidence interval for the percentage of deer that may carry such ticks. Show all work and formulas. b) If the ...
Wednesday, September 16, 2015 by Cutie patootie

Business statistics
The lifetimes of Triple X TV Tubes are approximately normally distributed with mean 13.2 years and standard deviation 3.5 years. Consider the distribution of sample means for all samples of 100 Triple X TV tubes. Part A What is the standard error, to two decimal places, of the...
Wednesday, September 16, 2015 by Portia

Statistics
Using the empirical rule, 95% of female heights should be between what two values? Either show work or explain how your answer was calculated
Monday, September 14, 2015 by Anonymous

STATISTICS
On average, eight teens in the U.S. die from motor vehicle injuries per day. What is the probability that no teens will die on any given day?
Monday, September 14, 2015 by BONOCARIS

statistics
what does this mean i have to do this in a spreadsheet Descriptive stats for each numeric variable
Sunday, September 13, 2015 by Anoymous

statistics
this is what we are supposed to do to began this paper Create a Microsoft® Excel® spreadsheet with the two variables from your learning team's data set. I understand the spreadsheet I think the variables are employee satisfaction, hours worked per week, and ...
Sunday, September 13, 2015 by Anoymous

Statistics/probability
You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy Fund A Fund B Good 20% 40% Fair 10% 20% Poor -10% -40% You believe that the ...
Sunday, September 13, 2015 by Eric

statistics
I need to figure out the variables one independent and the other dependent from the data set. I forgot what a data set is and what the variables are I have the paper I m supposed to be looking on for it but have no idea what i m looking for.
Saturday, September 12, 2015 by Anoymous

Statistics
The distribution of heights of women aged 20 to 29 is approximately normal with a mean of 2.8 inches and standard deviation of 2.8 inches. The height (+/- 0.1 inch) of the middle 99.7% falls between a low of ?? inches and a high of ?? inches. Please help on how I set this up ...
Thursday, September 10, 2015 by Angel

statistics
A multiple-choice quiz has 15 questions, each with 4 possible answers of which only 1 is the correct answer. What is the probability that a student gets 7 to 11 correct answer?
Thursday, September 10, 2015 by jean

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...
Wednesday, September 9, 2015 by Anonymous

statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...
Wednesday, September 9, 2015 by Anonymous

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the lift in a building ...
Wednesday, September 9, 2015 by Luci

Statistics
If 50 classes of 20 students are randomly selected, what is the probability that 10 classes have no left handed students? I know it is binomial distribution but i do not get it
Tuesday, September 8, 2015 by Joshua

AP Statistics
The severity of side effects experienced by patients while being treated with a particular medicine is under study. The severity is measured on the scale: none, mild, moderate, severe, very severe. a. Name the variable of interest. b. Identify the type of variable. I answered ...
Tuesday, September 8, 2015 by Anon

Statistics Please Help
Hi Ms. Sue I was wondering if you could give me some advise in doing explain and unexplain variation and least-squares regression line. I know how to compute the numbers, but I am having a problem with: say there is 3.0270, 30.0463 and 33.1120. I sometimes get it right and ...
Tuesday, September 8, 2015 by Mary Ann

statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the lift in a building ...
Tuesday, September 8, 2015 by Luci

Statistics
Assume that the unit of measure for each of the values in the sample is in dollars. What would be the units of measure for the sample: a) mean? b) range? C) Variance? d) Standard deviation?
Tuesday, September 8, 2015 by Matt

statistics
An online site presented this​ question, 'Would the recent norovirus outbreak deter you from taking a​ cruise?' Among the 34 comma 203 people who​ responded, 66% answered​ 'yes'. Use the sample data to construct a 90​% confidence ...
Monday, September 7, 2015 by Roberts

statistics
need to explain how i obtain the sample size which is 370 here's the rest of the information i don't know how to writ this out? calculate the sample size using 95% CI and 5% margin of error i got sample size 370 but how do i write this out
Monday, September 7, 2015 by Anoymous

statistics
I need help with this I already did it on a calculator but now I don't know how to write the formula out on paper like n= for the population and * this or that I m not sure how to write it out help please how do i write this into a formula confide level 95% margin of error...
Monday, September 7, 2015 by Anoymous

statistics
how do i write this into a formula confide level 95% margin of error 5% population 10,000 sample size 370 like n= and so on i m not sure how to do that
Monday, September 7, 2015 by Anoymous

statistics
According to a certain country's department of education 39.6% of 3-year olds are enrolled in day care. What is the probability that a randomly selected 3-year old is enrolled in day care?
Monday, September 7, 2015 by john

Statistics
A regional manager visits local fast food franchises and evaluates the speed of the service. if the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon. If it takes more than 45 seconds, the server receives nothing. Throughout the ...
Monday, September 7, 2015 by Bea

Statistics (Percentile, Decile, Quartile)
Please refer to the following table: Number of Cellular Phones​  in Household: DECILE 1 - 1.00 2 - 1.00 3 - 1.00 4 - 1.00 5 - 2.00 6 - 2.00 7 - 3.00 8 - 3.00 9 - 4.00 (a) How many cellular phones&​nbsp;does a ...
Sunday, September 6, 2015 by Zam

Statistics
In country A, the In​dex of Qualitative Variat​ion (IQV)for an exhuastiv​e survey of religious&nbs​p;beliefs is 0.25.  For country B, the I​QV ...
Sunday, September 6, 2015 by Zam

Statistics
A list of transactions contains 100 numbers: 60 gains and 40 losses. The gains are positive numbers and the the losses are negative numbers. The units are thousands of dollars. For the 60 gains, the average is 18 and the SD is 7.5. For the losses the average is -20 and the SD...
Thursday, September 3, 2015 by Sarah

statistics
N(0,7.6) Find the proportion of observations that are between -10 and 10. please show your steps
Wednesday, September 2, 2015 by Light yagami

Statistics
In advance of the 1936 Presidential Elections, a magazine titled Literary Digest released the results of an opinion poll predicting that the republican candidate Alf Landon would win by a large margin. The magazine send post cards to approximately 10,000,000 prospective voters...
Friday, August 28, 2015 by Ashley

statistics
p=0.50 the 90% confidence interval for p is?
Wednesday, August 26, 2015 by Anoymous

statistics
a golf ball is selected at random from a golf bag. If the golf bag contains 4 brown balls, 9 yellow balls, and 12 orange balls, find the probability of the following event. probability the ball is brown or yellow?
Tuesday, August 25, 2015 by david

statistics
the mean gas mileage for a hybrid car is 56 miles per gallon suppose that the gasoline mileage is approximately normally distributed of 3.2 miles per gallon what is the probability that a randomly selected hybrid gets more than 62 miles per gallon.
Saturday, August 22, 2015 by Anoymous

STATISTICS
The Erie Run Outlet mall has two NIKE stores, one is on Liberty street and the other on Barnes St. Two stores laid of differently, both owners claim their stores maximizes the amounts customers will impulse purchase. A sample of 10 customers at the Liberty st store revealed ...
Thursday, August 20, 2015 by August

Statistics
Two Boats the Picadilly and the Orange are competing for a spot in the Cup races. They race over a part of the course SEVERAL TIMES. The sample times in minutes for the Picadilly are 12.9, 12.5, 11.0, 13.3, 11.2, 11.4, 11.6, 12.3, 14.2, and 11.3. The sample times for the ...
Thursday, August 20, 2015 by August

statistics
The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data of the three groups ...
Wednesday, August 19, 2015 by elizabeth

Linear Systems and Statistics
A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week? 8.28% 3.57% 7.24% 2.28% 4.55%
Wednesday, August 19, 2015 by Anonymous

Statistics
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% ...
Monday, August 17, 2015 by Bea

statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
Friday, August 14, 2015 by Martin

statistics
Construct a scatterplot. b. Draw a regression line through the data point that “fits” the data points reasonably well. c. Enclose the data points with a ellipse. d. Estimate the direction of the correlation. e. Estimate the strength of the correlation coefficient. 5...
Friday, August 14, 2015 by shiela

Statistics/Binomal
I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability that at least 3 of the parts are ...
Friday, August 14, 2015 by Mary Ann

STATISTICS
According to the DPT of Health Services , 12% of 30-39 have depression. Suppose 3 30-39 year olds are selected randomly what is the probability that all three will have depression.
Thursday, August 13, 2015 by Sean

statistics
Consider the events of drawing an ace, then draw another ace, followed by a queen, one at a time without replacement (from a standard deck of cards). What is the probability of drawing an ace, then another ace, then a queen? please show explanation
Wednesday, August 12, 2015 by CJ

Statistics Please Help
determine the value of C P(-c<z<c)= 0.9736 the two marks that are < have a line under them. Can someone show me how to do this problem. Thank you
Monday, August 10, 2015 by Mary Ann

statistics and probability
Solve for y . -2(y-3)= 5y-29 Simplify your answer as much as possible
Monday, August 10, 2015 by mary

Statistics
Suppose a multiple-choice test has 10 questions each with 5 choices. If a student guesses randomly. What is the probability that they get an B or better. ( they get at least a 80% on the exam) make sure to declare a binomial random variable and show all work
Wednesday, August 5, 2015 by John

Statistics
The research hypothesis is a vitally important element of any quantitative research study. This Discussion provides an opportunity for you to develop your own testable hypothesis based on the data set for the Final Project. To prepare for this Discussion, review this week’...
Wednesday, August 5, 2015 by Yabby

Probability/Statistics
The teacher of a mathematics class has written up the final exam, but wants the questions to be random for each student. There are 28 students in the class, and the test has 100 questions. Each question has four possible answers. a. After reading carefully reading the scenario...
Saturday, August 1, 2015 by Spencer

Statistics
5. For the data presented below, answer the questions that follow. Score on political Score on current Individual awareness test events test 1 24 23 2 16 12 3 11 11 4 9 6 5 8 13 6 14 11 7 17 16 8 19 16 9 21 21 10 25 25 11 18 11 12 13 13 13 11 14 14 6 10 15 9 10 16 12 7 a. ...
Saturday, August 1, 2015 by Samantha

Statistics
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...
Saturday, August 1, 2015 by Samantha

Statistics
uppose that a category of world class runners are known to run a marathon (26 miles) in an average of 143 minutes with a standard deviation of 12 minutes. Consider 49 of the races. Let X = the average times of the 49 races. (a) Find the median of the average running times. ( ...
Friday, July 31, 2015 by mathhelpplease

Statistics
A sample survey interviews an SRS of 115 college women. Suppose that 68% of all college women have been on a diet within the last 12 months. What is the probability that 76% or more of the women in the sample have been on a diet?
Friday, July 31, 2015 by mathhelpplease

Statistics
What is best to measure voltage in? Mean, Median, Mode, Range?
Thursday, July 30, 2015 by Seany

Statistics
Given a histogram. How would I find out how far the mean was from the median?
Thursday, July 30, 2015 by Seany

Statistics
About how many participants are needed for 80% power in each of the following planned studies that will use a t test for dependent means with p<.05?
Monday, July 27, 2015 by Maria

Statistics
The Phillies were accused of cheating their beer customers by not putting enough beer in their 12 oz cups. When 15 cups were selected at random, they were found to have a mean of 11.7 ounces with a standard deviation of 0.5 ounces. At the .01 significance level, test the claim...
Monday, July 27, 2015 by Sabrina

statistics
A lottery offers one $10000 prize, one $5000 prize and five $1000 prizes. 1000 tickets are sold at $30 each . Find the expectation if a person buys one ticket workings: 9970/1000+4970/1000+4850/1000-29790/1000​ = -10000/1000 =-$10
Sunday, July 26, 2015 by Anonymous

Object Oriented Analysis and Design
3. As the head of information system, you are tasked with developing a new Client Technology Tracking System (CTTS). Coastline Systems Consulting is a provider of managed computer networks and web services located in Destin, Florida. The staff of seven IT technicians, web ...
Saturday, July 25, 2015 by harikumar rajandran

statistics
Of the Statistics graduates of a University 30%, received a starting salary of $45,000.00. If 5 of them are randomly selected, find the probability that all the graduated had starting salary of $45,000.00.
Thursday, July 23, 2015 by Anonymous

Statistics
The music industry must adjust to the growing practice o consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to determine...
Wednesday, July 22, 2015 by Lizzy

Statistics
A survey of 925 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 90% confidence interval for the true population of all voters in the state who favor approval.
Wednesday, July 22, 2015 by Lizzy

Statistics
The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set hose limits, the mean weight of quarters in circulation must be estimated...
Wednesday, July 22, 2015 by Lizzy

statistics
An online site presented this question, 'Would the recent norovirus outbreak deter you from taking a cruise?' Among 34,020 people who responded, 64% answered 'yes'. Use the sample data to construct a 90% confidence interval estimate for the proportion of
Wednesday, July 22, 2015 by jeedo

statistics
An online site presented this question, 'Would the recent norovirus outbreak deter you from taking a cruise?' Among 34,327 people who responded, 64% answered 'yes'. Use the sample data to construct a 90% confidence interval estimate for the proportion of the ...
Wednesday, July 22, 2015 by jeedo

Statistics
a seed company advertises that, if its seeds are properly planted, 95% of them will germinate. What is the probability that, when 20 seeds are properly planted, at least 15 will germinate - pM( 19/20)? pq(1/20)? 20c15 20c16 all the way up to 20C10? Don't know if I am ...
Tuesday, July 21, 2015 by Linda

Statistics
A survey of 925 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 90% confidence interval for the true proportion of all voters in the state who favor approval.
Monday, July 20, 2015 by Anonymous

Statistics
The number of books sold over the course of the three-day book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values. a. List the different possible samples, and find the mean of each of them. b. ...
Monday, July 20, 2015 by Elizabeth

Statistics
A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Cavalier shows that the mean is 4.5 hours and the standard deviation is .6 hours. If 42 mechanics are randomly selected, find the probability that their mean rebuild time is less than 3.5 ...
Monday, July 20, 2015 by Elizabeth

Statistics
The music industry must adjust to the growing practice of consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to ...
Monday, July 20, 2015 by Elizabeth

Statistics
75 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.2 pounds and a standard deviation of 2.9 pounds. What is the 95% confidence interval for the true mean weight of all packages by the parcel service?
Monday, July 20, 2015 by Elizabeth

Statistics
The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set those limits, the mean wight of quarters in circulation must be estimated...
Monday, July 20, 2015 by Elizabeth

Statistics
A sample of 106 body temperatures resulted in a mean of 98.2 degrees and a standard deviation of .62 degrees. Use these sample statistics to construct a 98% confidence interval estimate of the standard deviation of body temperature of all healthy humans.
Monday, July 20, 2015 by Elizabeth

Elementary statistics
Scores on an English test are normally distributed with a mean of 78% and a standard deviation of 4.5%. Find the value of the first quartile.
Monday, July 20, 2015 by Lizzy

Elementary Statistics
The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.39 inches and a standard deviation of 0.04 inches. If 500 pencils are selected how many would you expect to have a diameter more than 0.33 inches?
Monday, July 20, 2015 by Lizzy

statistics in math
what is an confidence interval?
Monday, July 20, 2015 by Annie George

Probability/Statistics
The teacher of a mathematics class has written up the final exam, but wants the questions to be random for each student. There are 28 students in the class, and the test has 100 questions. Each question has four possible answers. a. After reading carefully reading the scenario...
Monday, July 20, 2015 by Spencer

Probability and statistics
The hydrocarbon emissions at idling speed in parts of million (ppm) for automobiles of 1980 and 1990 model years are given for 20 randomly selected cars. 1980 models: 141 359 247 940 882 494 306 210 105 880 200 223 188 940 241 190 300 435 241 380. 1990 models: 140 160 20 20 ...
Monday, July 20, 2015 by Anna

Math 115 Statistics
In the game of craps, the player rolls two balanced dice, 36 equally likely outcomes, compute the probability the player looses on the first roll if the sum of the dice is 3, 4, or 6.
Saturday, July 18, 2015 by Tamiko

Statistics
The table I have is: Color of Candy Frequency Proportion (as a fraction and decimal) Percentage Red 13 13/100 or .13 13% Orange 25 25/100 or .25 25% Yellow 8 8/100 or .08 8% Brown 8 8/100 or .08 8% Blue 27 27/100 or .27 27% Green 19 19/100 or .19 19% TOTALS 100 100/100 or 1 ...
Monday, July 13, 2015 by Destiny Park

Criminal Justice
Success in probation/parole: A. is usually conceived of in terms of recidivism. B. depends on which statistics one decides to emphasize. C. is complicated by the issue of selection. D. all of the above im confused between A and C
Monday, July 13, 2015 by Amy

Statistics
Suppose you have a sample of 6 observations from a normal population. The sample variance is equal to 4. Find a 90% lower confidence interval for the variance of the population.
Saturday, July 11, 2015 by Chase

statistics
u=100 and standard deviation of P=20. error between sample mean and population mean of n=16 is 5 points and error between sample mean and population mean for a sample of n=100 is 2 points. explain
Thursday, July 9, 2015 by Anonymous

Statistics
Police stopped 527 drivers. Of those stopped, 298 were ticketed. Of those 298, exactly 127 were cited for more than one violation. Estimate the probability that a driver who was stopped got a ticket. Which way is the correct one? 1/527=.0018 or 1/298=.003 Or am I way off?
Thursday, July 9, 2015 by Kim

Statistics
If 67% of cars have automatic tranny's & 8 cars are selected at random what is the probability that fewer than 4 have an automatic tranny
Wednesday, July 8, 2015 by Kim

statistics
Unknown to a quality-control inspector, 20% of a very large shipment of electric switches are defective. The inspector has been told to reject the shipment if, in a sample of 15 switches, 2 or more are defective. The probability that the shipment will be rejected is: I do not ...
Tuesday, July 7, 2015 by helpmeplease

statistics
Average is 8500 with a standard deviation. Of 1500 with a z score of -2.98 a z score of +1.00 what are the actual bonuses
Tuesday, July 7, 2015 by Anonymous

statistics
If I am using a venn diagram, the probability that event A occurs or event B occurs but not both. What is my formula? I am soooo very confused..
Tuesday, July 7, 2015 by cat

statistics
Joe owns a clothing store, he keeps 15% of the shirts on display in the window. he knows if a shirt is in the window there is a 70% chance of it being sold that week. The probability that the shirt in the display window will be sold within the week is????? and is this an ...
Tuesday, July 7, 2015 by cat

Math statistics
A mountain search and rescue team received an average of 600 calls per year. Use the poisson dustribution to find the probability that on a randomly selected day, they will receive 1 or more calls.
Tuesday, July 7, 2015 by Lizzy

Math statistics
Ten percent of Americans adults are left-handed. A statistics class has 50 students in attendance. Find the standard deviation for the number of left-handed students in such classes of 50 students
Tuesday, July 7, 2015 by Lizzy

Math statistics
For a certain computer program a password must be exactly 5 characters long. The first character must be a mnber 0-8, the second, third and fourth character can either be one of the 26 letters or a number 0-5, the fifth character has to be exactly the same as the second ...
Tuesday, July 7, 2015 by Lizzy

Math Statistics
In the power ball lottery game, winning the jackpot requires that you select the correct five unique numbers between 1 and 58 inclusive (don't have to match the order) and, in a separate drawing, you must also select the correct single nber between 1 and 13 inclusive. Find...
Tuesday, July 7, 2015 by Lizzy

statistics
TRUE OR FALSE 35. A survey of women owned business found that approximately 30% of all small businesses are owned by non‐Hispanic white women. In a sample of 250 non‐Hispanic businesses owned by whites, the average number of businesses owned by female would be 75. ...
Monday, July 6, 2015 by meri

statistics
The US Environmental Protection Agency reports the average fuel costs for various makes of cars. In recent years the fuel costs for mid‐size Japanese cars averaged $1200. Suppose that the annual fuel costs for various makes of automobiles are normally distributed and ...
Monday, July 6, 2015 by meri

statistics
15. A financial consultant conducts seminars with each seminar limited to 20 attendees. Because of the small size of the seminar, and the personal attention each person receives, a large number of attendees are expected to become clients. From the past experience, ...
Monday, July 6, 2015 by meri

statistics
11. You are taking a multiple choice examination that has 20 questions in a particular section with 5 possible answers for each question. You did not study for the test and you guessed the answers. The probability that you will get at least 50% of the problems correct by ...
Monday, July 6, 2015 by meri

statistics
7. The following statements are true for a binomial distribution except: (a) Binomial is a continuous probability distribution. (b) There are n number of trials. (c) There are two possible outcomes for each trial: Success (S) and Failure (F). (d) The trials are independent of ...
Monday, July 6, 2015 by meri

Statistics
The probability distribution of number of calls coming to a call center every 15 minute period is shown below. x 5 6 7 8 9 10 11 12 13 p ( x ) 0.02 0.04 0.07 0.08 0.09 0.11 0.12 0.13 0.10 Continued… x 14 15 16 17 18 19 20 p ( x ) 0.07 0.06 0.04 0.03 0.02 0.01 0.01 1. This...
Monday, July 6, 2015 by meri

statistics
the probability of NOT drawing either a club or a queen from a standard deck of 52 cards is???
Sunday, July 5, 2015 by cat

Statistics
Please Help me understand how to work this problem. I have been working on this problem for several days and do not understand what to do. Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs, of people the linear correlation coefficient is 0.922 and...
Saturday, July 4, 2015 by Shannon

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Homework Help: Math