# Math (Statistic)

131,921 results

writing
When citing statistics from a web page in your speech you need to provide which of the following: ALL The date and source of the statistic What population(s) the statistic represents The author responsible for the statistic or quotation

College and Math Courses
Is statistic 243 equivalent to AP Statistic?

. The state of Maryland has a healthy children goal for childhood obesity. In the next 5 years, the state has a goal of decreasing the obesity rate to 11.3%. The current population mean obesity rate is 15.6%. After two years of a pilot intervention program in Garrett County ...

Statistic
In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What are the inner fences?

Animal Science
I need a statistic of how many dogs and cats are currently in a foster home in the us. Does anyone know a website that has this credible statistic? thanks

math
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. Please explain ...

math
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I understand that 1.07 is a statistic. ...

Math-Statistics
Suppose you want to test the claim that mean is not equal 3.5. Given a sample size of n = 45 and a level of significance of a = 0.10, when should you reject H0 ? A) Reject H0 if the standardized test statistic is greater than 1.96 or less than -1.96 B) Reject H0 if the ...

statistics
I need so help figuring out which statement is true or false. 1. A parameter always describes a larger group than a statistic. 2. The sampling distribution of a statistic is the distribution of values taken by the statistic in all possible samples of all possible sizes from ...

Stats
2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an average weight loss of...

math
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. Please explain ...

statistics
The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is considered extreme. d. ...

statistics
The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is considered extreme. d. ...

Statistics
To do inferential procedures comparing two proportions, we need another variance formula (our ruler). This formula is based on what principle? A) The variance of the difference of two statistics is the difference of the variances of each statistic. B) The variance of the ...

statistic
For a two-tailed hypothesis test, the test statistic is z = 1.42. What is the p-value?

statistics
Suppose you want to test the claim that mu is not equal to 3.5. Given a sample size of n = 31 and a level of significance of alpha = 0.10 when should you reject Ho? A) Reject Ho if the standardized test statistic is greater than 2.575 or less than -2.575. B) Reject Ho if the ...

statistic
how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small group of students. Why would this t Test be preferred to using another test statistic?

Math Help
Poll of statistic students revealed that 44% study alone, 31% study in a group, 12% study both alone and in a group Find the probability that a randomly selected statistic student studies alone but not in a group.

statistics
The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is considered extreme. d. ...

math - stats
It is believed that at least 60% of voters from a certain region in Canada favor the free trade agreement (FTA). A recent poll indicated that out of 400 randomly selected individuals, 250 favored the FTA. If we wished to perform a test to determine whether the proportion of ...

Statistics
which of the following statements are correct? In hypothesis process, you should a)define the statistical hypothesis b)determine the region of acceptance c)calculate the test statistic d) compare the test statistic e)all the above

Statistics
To determine whether themean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy program tests: Ho: mu = 1.4 Ha: mu > 1.4 The calculated value of the test statistic is z = 2.42. ==> How do I calculate the p-...

math-test statistic
If we have a sample of 12 drawn from a normal population, then we would use as our test statistic A) z0 with 11 degrees of freedom B) t0 with 12 degrees of freedom C) z0 with 12 degrees of freedom D) t0 with 11 degrees of freedom

statistics
mortgage broker is offering home mortgages at a rate of 9.5%, but the broker is fearful that this value is higher than many others are charging. A sample of 40 mortgages filed in the county courthouse shows an average of 9.25% with a standard deviation of 8.61%. Does this ...

hypothesis statistic
how a t Test can be employed in hypothesis testing by the use of directional vs. nondirectional hypotheses. Discuss types of research where using the t statistic may be an appropriate alternative to using a z-score. Respond to at least two of your fellow students’ postings.

statistic
will you help with my statistic class

math
As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. I understand the...

URGENT Statistics
In performing two-tailed hypothesis test with v=20, you obtain a t-statistic of 2.41. The p-value is: Between 2% and 5%. I need help understanding how this range was gotten. I know that the t-statistic is between t.025 and t.01 and since this is a 2-tailed test these t-values ...

statistic
if the p value of the test statistic id equal to 1.36, then the p-value is

Statistics
In a study that was highly published doctors discovered that aspirin helps prevent heart attacks. The research project which was scheduled to last 5 years employed 22,000 american physicians (all male). Half took an aspirin tablet 3 times a week while the other half took a ...

Statistic
A statistic instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags.They weighed 10.4, 10.9 , 10.8, and 9.9 pounds.assume that the distribution of the weights is normal. Find a 95% confidence interval for the mean weight of all bags ...

Statistic
A random sample of size 20 drawn from a normal distribution has a sample mean of 8 and a sample standard deviation of 4. A) Compute the sample test statistic t under the null hypothesis H_0: Mue(mean)=7 B) State the alternate hypothesis if you believe that the population mean ...

statistics
a random sample of 80 college students was selected to participate in a experiment. the mean of the sample is 317 points, the standard deviation of 37 there are 310 students that didn't complete the experiment 1. compute the appropriate test statistic? 2. what is the critical ...

Math -- Statistic types used in public speaking
This is actually in my communications class. I have to decide which is the best statistic type is best to use in my speech. (mean, median or mode) I am struggling to decide which statistic would be used to support the following assertions? Louisiana’s educational system has ...

statistics
Find the test statistic, P-value, and critical value. Round to 3 decimal places. Claim: The mean IQ score of statistics professors is greater than 118. Sample data: n = 50, x = 120. Assume that σ = 15 and the significance level is α = .05 test statistic = P-value = ...

Math
I'm really stuck on these STATS questions.Can someone please help! 1. The probability of a car in a population having faulty brakes is .05. If we take a sample of 150 cars, find the standard deviation of the sampling distribution. 2. The strength of ten I-beams produced in a ...

stats
Suppose i am interested in the average price of books at a bookstore. i randomly pick 15 books.? i calculate the average of those, report my findings to the newspaper. can you identify the following: a. the population under consideration b. the parameter of intrest c. the ...

Math
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...

Statistic
A random sample has 61 values. The sample mean is 9.9 and the sample standard deviation is 2. Use a level of significance of a=0.01 to conduct a right-tailed test of the claim that the population mean is 9.2 ( i.e, H_0: u= 9.2, H_1: u>9.2). A)Compute the sample test ...

A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...

Math
trying to decide between parameter and statistic for the 2 questions below. I think it is statistic for both but not sure. 1. A local newspaper conducted a survey last week. Of the 2300 subscribers, 1276 responded. Based on the survey, the editor concludes that 95% of the ...

Math Statistic
Toss a coin 3 times. Let x be product of (# of H)*(# of T). Find 1. P(X>1)= 2. Var(X)=

statistic
a restaurant that bills its house account monthly is concerned that the average monthly bill exceeds \$200 per account. A random sample of twelve account is selected, resulting in a sample mean of \$220 and a standard deviation of \$12. Use a= 0.05. what is the critical value for...

Math-Ms. Sue or Bob
Can either one of you help me with the math problems I asked? I really need help and do not understand how I would calculate the sample statistic and parameter population....

Quantitative Analysis
Analysis of Variance (ANOVA) results in the calculation of the F Statistic and interpretation of this statistic will inform you as to...? A. Which mean significantly differs from others B. Whether one or more of the means is significantly defferent from one or more of the ...

Psychology Statistics
Determine whether the numerical value is a parameter or a statistic? In a phone survey of 100 random homes in a country, 21 families had garages. Is this a parameter because the data set of 100 random homes is a population? Is this a statistic, because the data set of 100 ...

eth
Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to place in the Financial row. Statistic 1 Statistic 2 Statistic 3 Cultural Makeup 13.1 million U.S. residents are Asian or Asian in combination with other races ...

eth
Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to place in the Financial row. Statistic 1 Statistic 2 Statistic 3 Cultural Makeup 13.1 million U.S. residents are Asian or Asian in combination with other races ...

Math/Statistic
If I'm doing a pearson's and need to know the percentage of predicitability... all I have to do is work out the pearon's, right?

Statistics
It is believed that at least 60% of voters from a certain region in Canada favor the free trade agreement (FTA). A recent poll indicated that out of 400 randomly selected individuals, 250 favored the FTA. If we wished to perform a test to determine whether the proportion of ...

Tamara borrowed \$6,000 at 6% and ended up paying \$900 in simple interest. For how long was the loan?

math/stats
Which of the following statements are true? (A) In a two-tail test of hypothesis for a population mean the decision rule is to reject H0 if the test statistic lies outside of the action limits. (B) A statistical test of hypothesis is performed under the assumption that the ...

Psychology
An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false impression of certainty and ...

math
if two dependent samples of size 20 are used to test the difference between the means, the degrees of freedom for a t-statistic is 19, true or false

Math
The null and alternate hypotheses are: H0: π1 ≤ π2 H1: π1> π2 A sample of 100 observations from the first population indicated that X1 is 70. A sample of 150 observations from the second population revealed X2 to be 90. Use the .05 significance ...

statistics
5. A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given below. Test the claim at = 0.10, that there is no difference in variance. ...

Quantitative Statistic
The following information is available.   H0 : μ ≥ 220   H1 : μ < 220   A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the .025 ...

Quantitative Statistic
The following information is available.   H0 : μ ≥ 220   H1 : μ < 220   A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the .025 ...

eth 125
Asian Americans According to the U.S. Census Bureau Part I Organize statistics from the U.S. Census Bureau on Asian American diversity using the matrix below. Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to ...

math-statistics help
A pharmaceutical manufacturer forms tablets by compressing a granular material that contains the active ingredient and var. fillers. The hardness of a sample from each lot of tablets produced is measured to control compression. The target values for the hardness are mean=11.5...

Statistics
2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an average weight loss of...

statistic math
the local weatherman has been accurate (successful) in his forecast 80% of the time. find probability that he is accurate exactly 3 of the next 5 days. helppp

statistics
Analyze data to determine whether or not you think there is a relationship between height and ability to lift weights (at least as measured by the bench press). 1- Compute a linear regression line to fit this data, also2- compute the correlation coefficient and coefficient of ...

English
What is a statistic report?

Statistic
P=.0096<..01 is this correct

Statistic
TABLE 12-3 A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of ...

Statistic
6.16 Calculate each binomial probability: a. X = 2, n = 8, ð = .10 b. X = 1, n = 10, ð = .40 c. X = 3, n = 12, ð = .70 d. X = 5, n = 9, ð = .90

Statistic
the percentile rank of t5 = 1.476

statistic
where to find the crime rate of US?

statistics
how to summarize statistic assumption

Statistic
Thanks, no worries.you can delete my post.

statistic
what should i know in topic hypothesis testing?

statistics
what is the critical value of this statistic at 0.05 significance.....z=1.64

statistics
what is the critical value of this statistic z=1.64 at 0.05 significance?

statistic
a numerical value for a correlation can never be

prelag8
How can a statistic be accurate but still misleading?

statistics
what is the difference between parameter and statistic

Statistic
If p=.0059538866 critical value is 3.72 is p greater than cv

math, statistic
the average of the hemoglobin reading for a sample of 20 teachers was 16 gram per 100 milliliters, with a sample standard deviation of 2 grams. find the 99% confidence interval of the population mean.

Math- STATS 218
When the following hypotheses are being tested at a level of significance of aH0: m 100 Ha: m < 100 the null hypothesis will be rejected if the test statistic Z is a. >Z b. >Z c. <Z d. <100

math
use technology to find the P-value for a two tailed test with n=28 and a test statistic t=2.032 P-value =???? Help please! i don't understand this

(math) statistic
For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52 Mean = 72 Median = 68 Mode = 70 Midrange = 57

nutrition
Can you tell me an statistic about the sports and lifestyle!!!!!!!

statistic
The area under a normal curve distribution is

statistic
Compare the two sets and describe what you discover. 46, 47, 52, 54, 61, 64, 69 57, 57, 57, 57, 58, 61, 61

statistic
The data (1,5), (3,16), (5,35), (7,67), (9,110) could be modeled as a linear relationship if

statistic
A “Set” within quantitative theory represents…?

Statistic
Males females N1=16 n2=18 S1=4.2 s2=2.3 Using a .01 level of significance

Statistic
We thought if we each post a question you would answer our question. This is not a game we need help for our statistics math course before Monday day

Math!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test?

Math - Stat !!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test?

For H0: ¦Ð ¡Ü .60 versus H1: ¦Ð > .60, ¦Á = .05, x = 56, n = 80 how do i find the test statistic and p-value?

find the geometric mean of these percent increases 8, 12, 14, 26, and 5

statistic
How can the probability distribution of prices of new cars be described

statistic
How can the probability distribution of prices of new cars be described

college statistic
there are 10 candidates to fill 3 spots. how many teams can be formed

uga
Assume the z test statistic equals 0.99, find the the p-value if Ha:p> 0.50

Statistics
why is this sentence false. a statistic is an event computed from a population.

Statistic
What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this?

Statistic help
What do I do in correlation question. Indications of where the relationship is linear showing cv?

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