You want to estimate the difference between two population means using a 95% confidence interval. You need to take samples that are large enough, so that the width of the interval does not exceed 0.6. From prior research it is known that the standard deviation of the first population is 3.05, and the standard deviation of the second population is 2.58. You wish to take two samples (one from each population) of the same size n. What is the minimum sample size you will need (for both of the samples)? (Round the result up to the nearest integer.)
You want to estimate the difference between two population means using a 95% confidence interval. You need to take samples that are large enough, so that the width of the interval does not exceed 0.6. From prior research it is known that the standard deviation of the first population is 3.05, and the standard deviation of the second population is 2.58. You wish to take two samples (one from each population) of the same size n. What is the minimum sample size you will need (for both of the samples)? (Round the result up to the nearest integer.)
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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You want to estimate the difference between two population means using a 95% confidence interval. You need to take samples that are large enough, so that the width of the interval does not exceed 0.6. From prior research it is known that the standard deviation of the first population is 3.05, and the standard deviation of the second population is 2.58. You wish to take two samples (one from each population) of the same size n. What is the minimum
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