The following data are from a completely randomized design.

a. Compute the sum of squares between treatments.
b. Compute the mean square between treatments.
c. Compute the sum of squares due to error.
d. Compute the mean square due to error.
e. Set up the ANOVA table for this problem.
f. At the α = .05 level of significance, test whether the means for the three treatments are equal.

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Treatment 162 142 165 145 148 174 142 156 124 142 136 152 126 122 138 140 150 128 134 Sample mean Sample variance 156 164.4 142 131.2