A\' needs to make a decision regarding changing their personnel/payroll are from

Question

A' needs to make a decision regarding changing their personnel/payroll are from CARP software to TECK software. The sales associate for TECK software their software is easier (a reduction in amount of time) to learn to operate. Long 1) Company 'A' needs to make a softw claims experience with CARP software shows that the operators average 8.1 hours with the software before their performances trained to use the new soft were satisfactory. Exactly 95 operators were ware TECK and average 8.9 hours before achieving satisfactory result with a sample standard deviation of 4.035 hrs. At a.01 level of significance did you agree with the salesman associate's claim that their software will reduce time?

Explanation / Answer

Below are the null and alternate hypothesis

H0: mu = 8.1
H1: mu < 8.1

Test statistics, t = (8.9 - 8.1)/(4.035/sqrt(95)) = 1.9324

p-value = 0.9718

As p-value is greater than the significance level of 0.01, we fail to reject the null hypothesis

This means there are not significant evidence to conclude that salesman associate's claim that thier software will reduce time.

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