A manager wishes to see if the time (in minutes) it takes for their workers to complete a certain task will change when they are allowed to wear ear buds at work. A random sample of 4 workers' times were collected with and without earbuds. Assume the populations of time to complete the task is normal. Without earbuds With earbuds 36.7 34 51.9 49.5 43.4 42 46.8 43.6 Test whether the time to complete the task changed, on average, with earbuds at a significance level of a = 0.05. The test statistic is (use 4 decimal places)
A manager wishes to see if the time (in minutes) it takes for their workers to complete a certain task will change when they are allowed to wear ear buds at work. A random sample of 4 workers' times were collected with and without earbuds. Assume the populations of time to complete the task is normal. Without earbuds With earbuds 36.7 34 51.9 49.5 43.4 42 46.8 43.6 Test whether the time to complete the task changed, on average, with earbuds at a significance level of a = 0.05. The test statistic is (use 4 decimal places)
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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