a marketing firm asked a random set of married and single men how much they were willing to spend on a vacation. is there sufficient evidence at α = 0.05 to conclude that is there a diffference in the 2 amounts?   married men single men sample size 70 70 sample mean $880 $825 population varience 5700 7900 A). yes, because the test value 3.95 is outside the critical region -1.96 < z< 1.96. B). No, because the test value 1.39 is outside the critical region -1.96 < z < 1.96 C). yes, Because the test value 1.39 is inside the critical region -1.96 <z< 1.96 D). No, because the test value 0.28 is inside the critical region -1.96 <z<1.96.

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a marketing firm asked a random set of married and single men how much they were willing to spend on a vacation. is there sufficient evidence at α = 0.05 to conclude that is there a diffference in the 2 amounts?

  married men single men
sample size

70

70
sample mean $880 $825
population varience 5700 7900

A). yes, because the test value 3.95 is outside the critical region -1.96 < z< 1.96.

B). No, because the test value 1.39 is outside the critical region -1.96 < z < 1.96

C). yes, Because the test value 1.39 is inside the critical region -1.96 <z< 1.96

D). No, because the test value 0.28 is inside the critical region -1.96 <z<1.96.

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