A major automobile manufacturer claimed that the frequencies of repairs on all five models of its cars are the same. A sample of 200 repair services showed the following frequencies on the various makes of cars.
Model of Car
Frequency
A
32
B
45
C
43
D
34
E
46
?
At ? = .01, test the manufacturer's claim.
What will be an ideal response?
?2 = 4.25; p-value is larger than .1; do not reject H0; no evidence of difference
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