Randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of the week that they first occurred, and the results are listed below. Use a 0.05 significance level to test the claim that such injuries and illnesses occur with equal frequency on the different days of the week. Show all work and justify your answer.
|
Day
|
Mon
|
Tue
|
Wed
|
Thu
|
Fri
|
|
Number
|
23
|
23
|
21
|
20
|
18
|