Discuss the below:
Q: Management at the Kansas City Corporate office for tax prepration wants to accomplish a business objective by conduting a study of the waiting time in its tax offices in different states. The corporate office has offices all over the U.S. The corporate office wants to reduce the waiting time for a client sit before being called back to get their tax return done by a tax professional a tax professional. The corporate office randomly selected four of its tax offices in four different states to conduct the study of waiting time (measured in minutes).
a. Construct the ANOVA summary table and fill in all values in the table.
b. At the 0.5 level of significance, what is the upper-tail critical value from the F Distribution?
c State the decision rule for testing the null bypothesis of the four offices.
d. What is you sttistical decision?
| Type of Tax Return |
Premium Office Kansas City |
Georgia Tax Office |
Indiana Tax Office |
Ohio Tax Office |
| 1040 |
81.90 |
61.83 |
37.88 |
38.82 |
| 1040 |
78.79 |
26.40 |
68.73 |
36.85 |
| 1040 |
63.83 |
53.84 |
51.08 |
32.83 |
| 1040 |
79.77 |
72.30 |
50.21 |
52.94 |
| 1040 |
47.94 |
53.09 |
58.47 |
34.13 |
| 1040 |
79.88 |
27.67 |
86.29 |
69.37 |
| 1040 |
48.63 |
52.46 |
62.90 |
78.52 |
| 1040 |
55.43 |
10.64 |
44.84 |
55.95 |
| 1040 |
64.06 |
53.50 |
64.17 |
49.61 |
| 1040 |
64.99 |
37.28 |
50.68 |
66.40 |
| 1040 |
53.82 |
34.31 |
47.97 |
76.06 |
| 1040 |
62.43 |
66.00 |
60.57 |
11.37 |
| 1040 |
120.08 |
30.75 |
75.86 |
54.05 |
| 1040 |
65.07 |
8.99 |
58.37 |
83.51 |
| 1040 |
81.02 |
29.75 |
30.40 |
39.17 |