Sales of People magazine are compared over a 5-week
period at four Borders outlets in Chicago.
Weekly Sales | |||
Store 1 | Store 2 | Store 3 | Store 4 |
102 | 95 | 86 | 105 |
107 | 73 | 92 | 113 |
108 | 84 | 77 | 85 |
116 | 79 | 104 | 99 |
113 | 100 | 91 | 101 |
Fill in the missing data. (Round your p-value to 4
decimal places, mean values to 1 decimal place, and other answers
to 2 decimal places.)
Treatment | Mean | n | Std. Dev |
Store 1 | |||
Store 2 | |||
Store 3 | |||
Store 4 | |||
Total | |||
One-Factor ANOVA | |||||
Source | SS | df | MS | F | p-value |
Treatment | |||||
Error | |||||
Total | |||||
(a) Based on the given hypotheses choose the correct
option.
H_{0}: μ_{1} =
μ_{2} = μ_{3} =
μ_{4}
H_{1}: Not all the means are equal
α = 0.05
Reject the null hypothesis if F > 3.24
Reject the null hypothesis if F < 3.24
(b) Determine the value of F.
(Round your answer to 2 decimal places.)
F-value =
(c) On the basis of the above-determined values,
choose the correct decision from below.
Reject the null hypothesis.
Fail to reject the null hypothesis.
(d) Determine the p-value. (Round
your answer to 4 decimal places.)
p-value =
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