a8. 2 sample or paired t-test (2 pts) It is claimed that an industrial safety th

Question

a8. 2 sample or paired t-test (2 pts) It is claimed that an industrial safety the loss of working hours due factory to accidents. Namely, there will be less accidents and LESS WORKING HouRS LOST to Provide the s step procedure if the program is effective in reducing test loss of working hours due to factory accidents. Ha at alpha level was used in the study as provided in the Minitab output Provide the Decision Rule: Provide the following summary statistics and indicate the appropriate decision Confidence Intervals P value Test value or Ha Ho Ho or Ha Circle: Ho or Ha Conclusion:

Explanation / Answer

Solution:

If two samples are independent, you must use the 2-sample t test to compare the difference in the means. If two samples are dependent then you must go for paired t test to compare the difference in the means.

Therefore, your variable " Less working Hours" and "Less accidents" both are dependent to each other because an industrial safity programe reduce the loss of working hours due to factory acidents.

Hence we must go for paired t test to compare there difference mean between less working hours and less accidents.

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