Do Men Really Spend More Money on St

question 80

Multiple Choice

Do men really spend more money on St. Patrick's Day as compared to women? A recent survey found that men spend an average of $43.87 while women spend an average of $29.54. Assume that these data were based on a sample of 100 men and 100 women and the population standard deviations of spending for men and women are $32 and $25, respectively. Which of the following is the correct value of test statistic?

• A) z = −3.53
• B) t_df = 3.53
• C) t_df = −3.53
• D) z = 3.53

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