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If a hypothesis test were to be performed, in which of the following contexts would a t-test be appropriate? Select the correct answer below: O A simple random sample of 29 books is taken from a public library and the lengths (pages) were collected. The sample mean is 166 pages and the population standard deviation is 27 pages. O A sample mean of 30 pounds and a sample standard deviation of 5 pounds are obtained using a simple random sample of 27 dogs from the dogs within a county, which have approximately normally distributed weights. O A sample mean of 31,994 dollars and a standard deviation of 4,658 dollars are obtained using a simple random sample of 22 individuals from the residents of a town having approximately normally distributed incomes. The population standard deviation is 3,959.3 dollars. 0 A convenience sample of 16 vehicles is taken from a large group of vehicles with approximately normally distributed fuel consumption rates. The sample mean is 20 miles per gallon and the sample standard deviation is 2 miles per gallon.

If a hypothesis test were to be performed, in which of the following contexts would a t-test be appropriate? Select the correct answer below: O A simple random sample of 29 books is taken from a public library and the lengths (pages) were collected. The sample mean is 166 pages and the population standard deviation is 27 pages. O A sample mean of 30 pounds and a sample standard deviation of 5 pounds are obtained using a simple random sample of 27 dogs from the dogs within a county, which have approximately normally distributed weights. O A sample mean of 31,994 dollars and a standard deviation of 4,658 dollars are obtained using a simple random sample of 22 individuals from the residents of a town having approximately normally distributed incomes. The population standard deviation is 3,959.3 dollars. 0 A convenience sample of 16 vehicles is taken from a large group of vehicles with approximately normally distributed fuel consumption rates. The sample mean is 20 miles per gallon and the sample standard deviation is 2 miles per gallon.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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If a hypothesis test were to be performed, in which of the following contexts would a t-test be appropriate? Select the correct answer below: O A simple random sample of 29 books is taken from a public library and the lengths (pages) were collected. The sample mean is 166 pages and the population standard deviation is 27 pages. O A sample mean of 30 pounds and a sample standard deviation of 5 pounds are obtained using a simple random sample of 27 dogs from the dogs within a county, which have approximately normally distributed weights. O A sample mean of 31,994 dollars and a standard deviation of 4,658 dollars are obtained using a simple random sample of 22 individuals from the residents of a town having approximately normally distributed incomes. The population standard deviation is 3,959.3 dollars. 0 A convenience sample of 16 vehicles is taken from a large group of vehicles with approximately normally distributed fuel consumption rates. The sample mean is 20 miles per gallon and the sample standard deviation is 2 miles per gallon.
Transcribed Image Text:If a hypothesis test were to be performed, in which of the following contexts would a t-test be appropriate? Select the correct answer below: O A simple random sample of 29 books is taken from a public library and the lengths (pages) were collected. The sample mean is 166 pages and the population standard deviation is 27 pages. O A sample mean of 30 pounds and a sample standard deviation of 5 pounds are obtained using a simple random sample of 27 dogs from the dogs within a county, which have approximately normally distributed weights. O A sample mean of 31,994 dollars and a standard deviation of 4,658 dollars are obtained using a simple random sample of 22 individuals from the residents of a town having approximately normally distributed incomes. The population standard deviation is 3,959.3 dollars. 0 A convenience sample of 16 vehicles is taken from a large group of vehicles with approximately normally distributed fuel consumption rates. The sample mean is 20 miles per gallon and the sample standard deviation is 2 miles per gallon.
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