The Monitoring the Future (MTF) survey measures the drug use of high school stud

Question

The Monitoring the Future (MTF) survey measures the drug use of high school students. A random sample of students is asked what grade they were in when they first tried alcohol. The data are below. You want to find out if there is a difference between males and females in grade at first alcohol use. What type of test should you use?

Male                            Females

N1 = 254                      N­2 = 242

x1 = 8.4 x1 = 8.6

s1 = 1.2                        s2 = 1.3

Male Female 15 0 6 0 3 0 7 0 1 1 4 2 2 1 0 0 0 0 0 0

Explanation / Answer

The data are below. You want to find out if there is a difference between males and females in grade at first alcohol use. What type of test should you use?

I will use t test for 2 sample samples

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