A psychologist would like to know whether the change in seasons has any consiste

Question

A psychologist would like to know whether the change in seasons has any consistent effect on people's moods. In the middle of each of the four seasons the psychologist selects a random sample of n 20 students Each individual in these four separate samples is given a standardized mood/depression questionnaire. The data from this study are shown below. Winter 18 16 16 13 15 SpringSummer Fall 12 13 12 15 13 17 16 15 15 16 13 13 16 20 18 Fill in the F-ratio table below Source of Variance Between groups df MS F P.value ss Within groups Total

Explanation / Answer

Sol:

data>data analysis>Anova SIngle factor

ANOVA Source of Variation SS df MS F P-value F crit Between Groups 29.8 3 9.933333 2.648889 0.084241 3.238872 Within Groups 60 16 3.75 Total 89.8 19

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