Math Solutions

[Step-by-Step] In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following

Question: In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered.

East West
n1 = 40 n2 = 45
= 72 (in $1,000) = 78 (in $1,000)
s1 = 6 (in $1,000) s2 = 8 (in $1,000)
a. Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use  = 0.05.
b. At 95% confidence, use the p-value approach and test to determine if the average yearly income of marketing managers in the East is significantly different from the West.

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