Kizspy | Question: 44
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
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 μ2 be the true
mean mail-order sale amount. State the null and alternative
hypotheses for the hypothesis test.
(i)
Họ : t1 = l2; Hí: 102
(ii)
Ho 12; Hµµ
(iii) Hoμ2; H1 H1> H2
(iv) Ho Hμ2; H1 μ1≤μ2
