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    Hypothesis Testing

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    1. A 4-day work week ensure that employees will have one more day that need not be spent at work. One possible result is a reduction in the average number of person leave days taken by employees on a 4-day work schedule. Do the data indicate that this is the case? use the p-value approach in testing to reach your conclusion.

    2. A 4-day work week Schedule might also have an effect of the average number of sick leave days employees take. Should a directional alternative be used in this case. Why?

    3. Construct a 95% confidence interval to estimate the average difference in days taken in for sick leave between these 2 years. What do you conclude about the difference between the number of sick leave days for these who work the two work schedules.

    What are the advantages of the 4-day week schedules?

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