Question 48 10 pts Extra Credit A psychologist would like to know whether the ch

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Question 48 10 pts Extra Credit A psychologist would like to know whether the change in seasons has any consistent effect on people's mood. In the middle of each of the four seasons the psychologist selects a random sample of n 10 students. Each individual in these four separate samples is given a standardized mood/depression questionnaire. The data from this study are examined using an analysis of variance and the results are shown in the summary table below. Fill in all missing values in the table. (Hint: begin with df values, see formula sheet) Source Between Treatments SS1 Within Treatments SS2 df2. 2 Total 132 df3 Piease provide your answers for the variables (i.e. blanks) above. Show all your work. HTML Editor

Explanation / Answer

F-ratio is > F critical value and P-value < alpha 0.05, so we reject H0

Thus we conclude tha there is significance difference among the 4 groups

ANOVA Table Source Sum of square df MS F-ratio F-critical P-value Factor (Between) 60 3 20 10 2.866266 6.20228E-05 Error (Within) 72 36 2 Total 132 39

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