Gretchen conducts a study in which there are 5 people in each of 3 groups. If sh

Question

Gretchen conducts a study in which there are 5 people in each of 3 groups. If she plans to conduct a one-way, repeated-measures ANOVA, what is the value of dfResidual?

4

Gretchen conducts a study in which there are 5 people in each of 3 groups. If she plans to analyze the data using a one-way, repeated-measures ANOVA, what is the value of dfTreatment?

Mean of group 1 = 10 and Mean of group 2 = 15

Mean of group 3 = 12 and Mean of group 1 = 10

Mean of group 3 = 12 and Mean of group 4 = 14

Mean of group 2 = 15 and Mean of group 4 = 14

Gretchen conducts a study in which there are 5 people in each of 3 groups. If she plans to conduct a one-way, repeated-measures ANOVA, what is the value of dfResidual?

4

Explanation / Answer

5. dfResidual = n - k

where, "n" is number of observations and "k" is number of groups.

So therefore, dfResidual = n - k = 5 - 3 = 2.

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