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During 2019, the part-time workers in J&T Express earned a mean of RM 1200 per month. Assume that a sample consisting of 60 part-time workers in the J&T Express of Melaka branch was found to have earned a mean of RM 1250 per month during that year, with a standard deviation of RM 220. i)At 5% significance level, is there evidence that the average earnings of Melaka branch part-time workers were significantly higher than the parttime workers in J&T Express ii)Find the p-value in Part (i), and interpret its meaning.

During 2019, the part-time workers in J&T Express earned a mean of RM 1200 per month. Assume that a sample consisting of 60 part-time workers in the J&T Express of Melaka branch was found to have earned a mean of RM 1250 per month during that year, with a standard deviation of RM 220. i)At 5% significance level, is there evidence that the average earnings of Melaka branch part-time workers were significantly higher than the parttime workers in J&T Express ii)Find the p-value in Part (i), and interpret its meaning.

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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During 2019, the part-time workers in J&T Express earned a mean of RM 1200
per month. Assume that a sample consisting of 60 part-time workers in the J&T Express of Melaka branch was found to have earned a mean of RM 1250 per month during that year, with a standard deviation of RM 220.

i)At 5% significance level, is there evidence that the average earnings of
Melaka branch part-time workers were significantly higher than the parttime workers in J&T Express

ii)Find the p-value in Part (i), and interpret its meaning.

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