(Choose 1 answer)
(See picture)
A. (iv)
B. (i)
C. (ii)
D. (iii)
A retail store executive wants to know whether the store's average Internet sales exceed its average mail-order sales. Let µ₁ be the true mean Internet sale amount and u₂ be the true mean mail-order sale amount. State the null and alternative hypotheses for the hypothesis test.
(i)Ηο: μι = μ2; Η: μι μ
(ii) Ho: μι < μ₂; Η: μι 2 μ₂
(iii) Ho : μ₁ = μ2; Ηι : μι > μ₂
(iv) Ηο: μι > μ2; H1 : μι < με
(20)
