Question

For each of these problems follow the 6-step Hypothesis Testing Guideline. You can use the p-value or the critical value method. You can calculate the test statistic and p-value (Step 4) either by hand using the formulas and tables, with a graphing calculator, or by using StatCrunch. Include the details of your calculations, not just the values. If you use the critical value method, state the critical value instead of the p-value. Remember to include the Expected value for a GOF test or the Expected matrix for a Chi-square test.

The table below (based on data from the Bureau of Labor Statistics) lists frequencies for randomly selected nonfatal occupation injuries arranged according to the day of the week. Use a 0.05 significance level to test the claim that such injuries occur with equal frequency on different days of the week. Mon 23 Tues 23 Wed 21 Thurs 21 Fri 19

Answer 1

Ho: injuries occur with equal frequency on different days of the week.

H1: injuries not occur with equal frequency on different days of the week.