A researcher wishes to test for main effects in the followin…

A researcher wishes to test for main effects in the following 2-way ANOVA test. Analysis of VarianceSource                           DF        Adj SS        Adj MS      F-Value      P-ValueService Center              1          0.720         0.7200       0.06          0.804Location                        2         31.126       15.5630     1.39           0.287Service Center*Loc       2           3.573         1.7867     0.16           0.854Error                             12      134.560       11.2134Total                             17      169.980 Based on the ANOVA output and a level of significance α = 0.05, is it necessary to conduct Tukey’s comparisons? Explain.

Management proposed the following regression model to predic…

Management proposed the following regression model to predict sales at a fast-food outlet:Sales ($1000) = 10.1 – 4.2 (Comp) + 6.8 (Pop) + 15.7 (Drive-thru) Comp: Number of competitors within one mile.Pop: Population within one mile, in thousands.Drive-thru: 1 = drive-thru window, 0 = no drive-thru window What is the correct interpretation of the coefficient of ‘Drive-thru’?

The owner of The Comedy Club, would like to predict weekly g…

The owner of The Comedy Club, would like to predict weekly gross revenue (in $1000) as a function of advertising dollars spent using TV and Newspaper (both in $1000). Is the regression model significant using alpha = 0.05? In other words, is the model useful?