Information supplied by a mail-order business for 12 cities
is shown in Table P-7.
a. Determine the fitted regression line.
b. Calculate the standard error of the estimate.
c. Determine the ANOVA table.
d. What percentage of the variation in mail orders is
explained by the number of catalogs distributed?
e. Test to determine whether the regression slope
coefficient is significantly different from zero. (Use the .01 significance
level.)
f. Test for the significance of the regression using the F
statistic from the ANOVA table. (Use the .01 significance level.) Is the result
Information supplied by a mail-order business for 12 cities
is shown in Table P-7.
a. Determine the fitted regression line.
b. Calculate the standard error of the estimate.
c. Determine the ANOVA table.
d. What percentage of the variation in mail orders is
explained by the number of catalogs distributed?
e. Test to determine whether the regression slope
coefficient is significantly different from zero. (Use the .01 significance
level.)
f. Test for the significance of the regression using the F
statistic from the ANOVA table. (Use the .01 significance level.) Is the result
consistent with the result in part e? Should it be?
g. Forecast the number of mail orders received when 10,000
catalogs are distributed with a 90% prediction interval.
Table p-7
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more