Part of an ANOVA table is shown below. Source of Variation Sum of Squares Degrees of Freedom Mean Square F Between Treatments 90 3 ____? ____? Within Treatments (Error) 120 20 ____? a. Compute the missing values and fill in the blanks in the above table. Use ? = .01 to determine if there is any significant difference among the treatment means. b. How many groups have there been in this problem? c. What has been the total number of observations?
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First, we need to calculate the Mean Square for each source of variation. Mean Square is calculated by dividing the Sum of Squares by the Degrees of Freedom. For Between Treatments, we don't have the Degrees of Freedom, so we can't calculate the Mean Square Show more…
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