A random sample of n = 9 men between 30 and 39 years old is asked to do as many sit-ups as they can in one minute. The mean number is x = 24.2, and the standard deviation is s = 6. (a) Find the value of the standard error of the sample mean. (b) Find a 95% confidence interval for the population mean. (Round all answers to the nearest tenth.) to sit-ups
A random sample of n = 9 men between 30 and 39 years old is asked to do as many sit-ups as they can in one minute. The mean number is x = 24.2, and the standard deviation is s = 6. (a) Find the value of the standard error of the sample mean. (b) Find a 95% confidence interval for the population mean. (Round all answers to the nearest tenth.) to sit-ups
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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A random sample of n = 9 men between 30 and 39 years old is asked to do as many sit-ups as they can in one minute. The mean number is x = 24.2, and the standard deviation is s = 6.
(a) Find the value of the standard error of the sample mean.
(b) Find a 95% confidence interval for the population mean. (Round all answers to the nearest tenth.)
to sit-ups
(b) Find a 95% confidence interval for the population mean. (Round all answers to the nearest tenth.)
to sit-ups
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