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A marketing firm asked a random set of married women and married men how much th

ID: 3391581 • Letter: A

Question

A marketing firm asked a random set of married women and married men how much they were willing to spend for jewelry as a present for their spouse. Can the firm conclude, at = 0.05, that the two groups have a different willingness to spend? Men Women Sample size 10 11 Sample mean $8 $11 standard deviation $34 $28 A) No, because the test value -0.19 is in the noncritical region -2.228 < t < 2.228 B) Yes, because the test value -2.56 is outside the noncritical region -2.262 < t < 2.262 C) No, because the test value -0.219 is in the noncritical region -2.228 < t < 2.228 D) No, because the test value -0.82 is outside the noncritical region -2.262 < t < 2.262

Explanation / Answer

A marketing firm asked a random set of married women and married men how much th

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