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:

Conduct the appropriate statistical analysis.Set alpha to 0.05.NOTE .

Day Evening Night

= 11 = 27 = 36

= 23 = 163 = 273

n = 6 n = 6 n = 6

Step 1:State your hypotheses:

Step 2: Set up the criteria for making the decision

Step 3: Conduct the appropriate statistical test by completing the following summary table:

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

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?

YESNO(Highlight one)