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A company would like to know if efficiency can be improved through...

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Asked by ChancellorPony1029 on coursehero.com

A company would like to know if efficiency can be improved through...

A company would like to know if efficiency can be improved through a training course for employees. A sample of employees is taken. The time taken for an employee to complete the task before training and after training is observed.

n=

Point estimate for before training: x¯before=

Degrees of freedom: df=

p=

t=

Point estimate for after training: x¯after=

 

                                                      before       after

mean                                                33.1          31.7

variance                                          16.81       12.25

observations                                     30           30

hypothesized mean difference  0

df 29

t stat -2.282

P(T<=t) one-tail 0.051

t Critical one-tail -1.699

P(T<=t) two-tail 0.025

t Critical two-tail -2.045

Confidence Level 95%

 

 

 

Answer & Explanation

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Answered by amirshehzad484hw on coursehero.com

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