200 randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of the work week (Monday – Friday) that they first occurred. The results are displayed in the table below. (Bureau of Labor Statistics, 2010) Use a 0.05 significance level to test the claim that occupational injuries and illnesses occur with equal frequency on each day of the work week.
Day |
Monday |
Tuesday |
Wednesday |
Thursday |
Friday |
Number |
43 |
37 |
41 |
35 |
44 |
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