Math Solutions

Solution: A researcher doing a fast food study claimed that the variance of the carbohydrate content of grilled chicken sandwiches at Arby’s is higher

Question: A researcher doing a fast food study claimed that the variance of the carbohydrate content of grilled chicken sandwiches at Arby’s is higher than the variance of the carbohydrate content of grilled chicken sandwiches at McDonald’s. The sample statistics are given below. Follow the guidelines on page 536 in our textbook, and test the researcher’s claim using the F-test with = 0.05.

Arby’s McDonald’s
n 1 = 16 n 2 = 12
\[{{s}_{1}}^{2}\] = 4.84 \[{{s}_{2}}^{2}\] = 3.24
Source of Variation SS df MS F P-value F critical
Between Groups 176.7778 2 88.38889 11.09484 0.001103 3.682317
Within Groups 119.5 15 7.966667
Total 296.2778 17

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in