A graphing calculator is recommended.
The following table lists the number of pages in four different
types of magazines.
Home decorating | News | Health | Computer |
---|---|---|---|
175 | 94 | 88 | 110 |
293 | 98 | 157 | 139 |
167 | 130 | 91 | 103 |
210 | 110 | 110 | 214 |
202 | 108 | 101 | 151 |
Using a significance level of 5%, test the hypothesis that the four
magazine types have the same average length. (Let 1 = Home
decorating, 2 = News, 3 = Health and 4 = Computer.)
A) Enter an exact number as an integer, fraction, or
decimal.
df(num) =
df(denom) =
B) State the distribution to use for the test.
C) What is the test statistic? (Round your answer to two decimal places.)
D) What is the p-value? (Round your answer to four decimal places.)
E) Alpha (Enter an exact number as an integer, fraction, or
decimal.)
α =
The statistical software output for this problem is :
A)
df(num) = 3
df(denom) = 16
B) F distribution
C) Test statistic = 8.29
D) p-value = 0.0015
E) α = 0.05
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