The sourse table depicts the results of a fictional study investigating whether the number of hours of sleep a person gets varies with gender (male, female) and with the equal numbers of men and women were randomly assigned to drink 1, 2, or 3 cups of coffee during the course of a day and then record the number of hours they slept. Table: Coffee and Sleep Source SS df MS F Gender 0.38 1 0.38 0.33 Cups of coffee 75.38 2 37.69 32.76 Gender x cups 3.66 2 1.83 1.59 Within 34.51 30 1.15 Total 113.93 35 Using a p level of 0.05, the critical value for the main effect of gender is ______, and the critical value for the main effect of cups of coffee is ______. a. 4.17; 3.32 b. 3.32; 3.32 c. 4.13; 3.28 d. 4.13; 4.13
The sourse table depicts the results of a fictional study investigating whether the number of hours of sleep a person gets varies with gender (male, female) and with the equal numbers of men and women were randomly assigned to drink 1, 2, or 3 cups of coffee during the course of a day and then record the number of hours they slept.
Table: Coffee and Sleep
Source SS df MS F
Gender 0.38 1 0.38 0.33
Cups of coffee 75.38 2 37.69 32.76
Gender x cups 3.66 2 1.83 1.59
Within 34.51 30 1.15
Total 113.93 35
Using a p level of 0.05, the critical value for the main effect of gender is ______, and the critical value for the main effect of cups of coffee is ______.
a. 4.17; 3.32
b. 3.32; 3.32
c. 4.13; 3.28
d. 4.13; 4.13
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