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 (based on data from the Bureau of Labor Statistics). Use a .05 significance level to test the claim that such injuries and illnesses occur with equal frequency on the different days of the week. Day | Monday Tuesday Wednesday Thursday Friday _________________________________________________________ No. | 23 23 21 21 19 A) What is the critical Chi-square value? B) Calculate the test statistic. C) What is your decision/interpretation?
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