Anova summary table-upper-tail critical value

Reference no: EM13107658

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

Reference no: EM13107658

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