Consider the Following Calculations for a One-Way Analysis of Variance $\bar { x } _ { 1 }$

question 12

Essay

Consider the following calculations for a one-way analysis of variance from a completely randomized design with 4 groups and 5 observations per group.The response variable is sales in millions of dollars and four groups represent the four regions that the company serves.
MSE = 101.25, $\bar { x } _ { 1 }$ = 33, $\bar { x } _ { 2 }$ = 43, $\bar { x } _ { 3 }$ = 49, $\bar { x } _ { 4 }$ = 28
-Compute an individual 95% confidence interval for $\mu _ { 3 } - \mu _ { 4 }$ .

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