Create a summary table of the multiple comparisons. It should clearly indicate w
ID: 3363941 • Letter: C
Question
Create a summary table of the multiple comparisons. It should clearly indicate what is being compared and what the results are (the conclusion). Then provide a final summary sentence or paragraph that indicates any and all differences which are statistically significant.
are interested in the mean number of miles on odometers for four car rental agencies. Random samples of cars owned by each agency were inspected and the miles on the odometer recorded Complete the analysis using a 5% level of significance ANOVA table Source DESS MS MS F-Stat P-value Columns3 2.5463038e8 84876792 761 0.0022 Eor 1618534e8 11158375 Total 19 4.3316438c8 16 1.78534e8 11158375 Tukey 95% Simultaneous Confidence Intervals A subtracted from Difference Lower Upper 7490 -13,534 1446 530 -6574 5514 7290 -13,334 -1246 B subtracted from Difference Lower Upper 6960 916 13,004Explanation / Answer
Result:
Create a summary table of the multiple comparisons. It should clearly indicate what is being compared and what the results are (the conclusion). Then provide a final summary sentence or paragraph that indicates any and all differences which are statistically significant.
First group
Second group
Mean difference(first-second)
Lower CI
Upper CI
Sig./not sig.
A
B
-7490
-13,534
-1446
significant
A
C
-530
-6574
5514
Not significant
A
D
-7290
-13,334
-1246
significant
B
C
6960
916
13004
significant
B
D
200
-5844
6244
Not significant
C
D
-6760
-12804
-716
significant
The mean difference between Groups A and B are statistically significant.
The mean difference between Groups A and D are statistically significant.
The mean difference between Groups B and C are statistically significant.
The mean difference between Groups C and D are statistically significant.
First group
Second group
Mean difference(first-second)
Lower CI
Upper CI
Sig./not sig.
A
B
-7490
-13,534
-1446
significant
A
C
-530
-6574
5514
Not significant
A
D
-7290
-13,334
-1246
significant
B
C
6960
916
13004
significant
B
D
200
-5844
6244
Not significant
C
D
-6760
-12804
-716
significant
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