A new laundry detergent is supposed to be equally superior to the leading brand in both hot and cold water. If the new detergent works as predicted, then there should be an interaction between the brand of detergent and the temperature of the water.
Indicate whether the statement is true or false
Question 2Whenever a two-factor experiment results in a significant interaction, you should be cautious about interpreting the main effects because an interaction can distort, conceal, or exaggerate the main effects of the individual factors.
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Question 3Obtaining a significant interaction means that both factors A and B have significant main effects.
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Question 4If a two-factor study has 2 levels of factor A and 3 levels of factor B, then dfbetween treatments = 5.
Indicate whether the statement is true or false
Question 5If the F-ratios for factor A has df = 1, 36 and the F-ratio for the interaction has df = 2, 36, then the F-ratio for factor B will also have df = 2, 36.
Indicate whether the statement is true or false
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