Rachael Smith is the personnel manager at Johnson and Johnston, an accounting firm. - 6527

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Rachael Smith is the personnel manager at Johnson and Johnston, an accounting firm. She is concerned about tardiness, which seems to be an increasing problem, especially after days off work. She decided to sample the records to determine if tardiness was distributed evenly throughout the 6-day work week. The null hypothesis to be tested was: Tardiness is distributed evenly throughout the week. The 0.01 level was used as the significant level. The sample results were:

Day of WeekNumber Absent

Monday12

Tuesday9

Wednesday11

Thursday10

Friday9

Saturday9

What is the critical value of chi-square with a significant level of = 0.05?

A.   12.592

B.   15.033

C.   13.388

D.   11.070

Solution Description

Rachael Smith is the personnel manager at Johnson and Johnston, an accounting firm. She is concerned about tardiness, which seems to be an increasing problem, especially after days off work. She decided to sample the records to determine if tardiness was distributed evenly throughout the 6-day work week. The null hypothesis to be tested was: Tardiness is distributed evenly throughout the week. The 0.01 level was used as the significant level. The sample results were:<