Sixteen people (eight males and eight females) volunteered to be part of an experiment. All 16 people were Caucasian, between the ages of 25 and 35,…

Sixteen people (eight males and eight females) volunteered to be part of an experiment. All 16 people were Caucasian, between the ages of 25 and 35, and were supplied with nice clothes. The question of interest in this experiment was whether females receive faster service at nightclubs than males. Each of the eight male participants was randomly assigned a bar, and each of the eight females was randomly assigned to one of these same eight bars. One Friday night, all 16 people went out to the bar. The male and female assigned to the same bar would arrive within five minutes of each other. Each person then waited at the bar and ordered a similar drink. The time (in seconds) until the drink was served was recorded. Some information that may be helpful is shown below:

Females mean = 275 std. dev. = 37

Males mean = 302 std. dev. = 48

Difference (d = F−M) mean =−27

std. dev. = 29 

  1. Conduct an appropriate hypothesis test, at the 1% level of significance 

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