Question: The data in the table were collected from randomly selected flights at airports in three cities and indicate the number of minutes that each plane
The data in the table were collected from randomly selected flights at airports in three cities and indicate the number of minutes that each plane was behind schedule at its departure.
a. Perform aone-way ANOVA using =0.05 to determine if there is a difference in the average lateness of flights from these three airports.
b. Perform a multiple comparison test to determine which pairs are different using =0.05.
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City 1
City 2
City 3
19
28
45
14
30
49
4
20
34
2
6
33
13
9
27
a. What are the correct hypotheses for theone-way ANOVAtest?
A.
H0: 1=2=3
H1: 123
B.
H0: 123
H1: 1=2=3
C.
H0: 1=2=3
H1: Not all the means are equal.
Your answer is correct.
D.
H0: Not all the means are equal.
H1: 1=2=3
Complete the ANOVA summary table below.
Source
Sum of Squares
Degrees of Freedom
Mean Sum of Squares
F
Between
nothing
nothing
nothing
nothing
Within
nothing
nothing
nothing
Total
nothing
nothing
(Round to three decimal places asneeded.)
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