In Spring 2016 a representative sample of World Campus STAT 200 students were su

Question

In Spring 2016 a representative sample of World Campus STAT 200 students were surveyed and asked if they prefer to watch curling, figure skating, or ice hockey on television in the winter. They were also asked how many hours per week they typically exercise. Use the information given to answer the following questions. A. Fill in all of the blank cells in the ANOVA source table above. B. Use the five-step hypothesis testing procedure to determine if there is evidence that the mean number of hours exercised per week is not equal for students who prefer these three winter sports. Step 1: Step 2: Step 3: Step 4: Step 5:

Explanation / Answer

df_between = number of category -1

df_total = N - 1 = =41+178+300-1 = 518

df_within = df_Total - df_between

MS = SS/df

F = MS_between/MS_within

since p-value > 0.05

we fail to reject the null

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ANOVA Source of Variation SS df MS F P-value Between Groups 10.8 3 3.6 0.146055 0.74 Within Groups 12767.8 518 24.64826 Total 12778.6 521

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