Use MegaStat, MINITAB, or another software package to perform Tukey\'s test for

Question

Use MegaStat, MINITAB, or another software package to perform Tukey's test for significant pairwise differences. Perform the test using the 5 percent level of significance One particular morning, the length of time spent in the examination rooms is recorded for each patient seen by each physician at an orthopedic clinic. Time in Examination Rooms (minutes) Physician 1 Physician 2 Physician 3 Physician 4 34 25 27 31 26 34 21 17 30 30 26 32 28 26 29 28 35 31 31 42 31 27 32 40 Click here for the Excel Data File (a) Calculate the mean for each group and the Tukey test statistic Tcalc for each pair. Provide the critical values for = .05. (Input the mean values within the input boxes of the first row and input boxes of the first column. Input the Tukey test statistic Tcalc in the appropriate boxes in the table Round all answers to two decimal places. If using Minitab to find the Tcalc values, input the absolute values.) Post hoc analysis Tukey simultaneous comparison t-values (d.f. 24) Physician3 Physician1 Physician 4 Physician 2 27.25 28.28571 32 34.17 Physician3 Physician Physician4 Physician2 27.25 28.28571 32 34.17

Explanation / Answer

Analysis of Variance

Source DF Adj SS Adj MS F-Value P-Value
Factor   3   212.3   70.78     3.50   0.031
Error   24   485.8   20.24
Total   27   698.1

H_Calc = 3.5

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