Question: Information supplied by a mail-order business for 12 cities is shown in Table P-7. a. Determine whether a significant linear relationship exists between these two

Information supplied by a mail-order business for 12 cities is shown in Table P-7.

a. Determine whether a significant linear relationship exists between these two variables. (Test at the .05 significance level.)

b. Determine the fitted regression line.

c. Calculate the standard error of estimate.

d. Determine the ANOVA table.

e. What percentage of the variation in mail orders is explained by the number of catalogs distributed?

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