1.A researcher wants to test whether production errors differ by time of day (Day, Evening, and Nigh shift).She randomly assigns a group of accountants to each of three different shifts and measures the number of errors they make per month.She obtains the following results:

Day Evening Night

= 11 = 27 = 36

= 23 = 163 = 273

n = 6 n = 6 n = 6

SHOW YOUR WORK!!!!AN ANSWER BY ITSELF IS WORTH NO POINTS!!!!!!!

Conduct the appropriate statistical analysis.Set alpha to 0.05.NOTE that I have computed SS(between) for you already!!!!

Step 1:State your hypotheses: (2 points)

Step 2: Set up the criteria for making the decision (1 point)

Step 3:Conduct the appropriate statistical test by completing the following summary table: (12 points)

Source SS df MS F

Between _53.2_ _____ ____ ______ ____________

Within ________ ____ ____ ______

Total________________

Step 4:Based on your answers above, state your decision about the null hypothesis:

(Highlight one)(1 point)

Reject the Null Hypothesis Fail to Reject the Null Hypothesis

1A.Based on your decision about the null in the previous problem, is it appropriate to conduct a post-hoc test?

YES NO (Highlight one) (1 point)