The Question Below Refers to the Following Situation

Short Answer

The question below refers to the following situation:
A valet parking attendant is interested in whether daytime temperature affects the size of
tips. To study this question, she records the size of the tip given by her customers on 3
extremely hot summer days, 3 warm spring days, and 3 cold winter days. Complete an
analysis of variance to test the differences between mean tips with significance (α = .05), to
determine if the groups differ from each other.
Calculate the within-group sum of squares.