Question
Randomly selected deaths of motorcycle riders in a region of the northern hemisphere are summarized in the accompanying table. Use a 0.05 significance level to
Randomly selected deaths of motorcycle riders in a region of the northern hemisphere are summarized in the accompanying table. Use a 0.05 significance level to test the claim that such fatalities occur with equal frequency in the different months. How might the results beexplained?
Month
Jan.
Feb.
March
April
May
June
Number
8
9
13
14
20
26
Month
July
Aug.
Sept.
Oct.
Nov.
Dec.
Number
23
25
27
12
12
10
Determine the null and alternative hypotheses.
H0:
*PICK ONE *
Fatalities occur with the same frequency in the different months of the year.
At least two months have a different frequency of fatalities than the other months.
At least one month has a different frequency of fatalities than the other months.
Fatalities occur with all different frequencies on the different months of the year.
H1:
*PICK ONE*
Fatalities occur with the same frequency in the different months of the year.
At least two months have a different frequency of fatalities than the other months.
Fatalities occur with all different frequencies on the different months of the year.
At least one month has a different frequency of fatalities than the other months.
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