Question

A behavioral science instructor who was particularly interested in gender differences in alcohol consumption recorded how frequent students in their statistics course use alcohol.

What is your gender?	What best describes your alcohol use?
Male	2
Female	4
Female	1
Female	2
Male	5
Female	2
Female	1
Female	1
Female	1
Female	1
Female	3
Male	4
Male	5
Female	4
Female	4
Female	2
Male	4
Female	1
Male	1
Male	4
Male	2
Female	2
Female	2
Female	1
Male	1
Female	2
Female	5
Male	4
Male	3
Female	1
Male	1
Female	2
Male	4
Female	4
Male	2
Female	1
Female	4
Female	2
Male	4
Female	1
Female	2
Male	4
Female	4
Female	1
Female	2
Male	2
Male	5
Male	3
Male	1
Female	1
Female	6
Female	2
Female	4
Female	2
Male	6

Calculate the mean and standard deviation of each distribution (males v. females). See the example below.

What is your gender?	Mean	N	Std. Deviation
Males
Females
Total

Use this information to answer questions #2 through #8

Question 2

Calculate the mean for the males. (round to the thousandths if necessary)

Question 3

Calculate the mean for the females. (round to the thousandths if necessary)

Question 4

Calculate the standard deviation for the males. (round to the thousandths if necessary)

Question 5

Calculate the standard deviation for the females. (round to the thousandths if necessary)

Question 6

What is the z-score for a female who reported "6" as their level of alcohol use? (round to the thousandths if necessary)

Question 7

What is the z-score for a male who reported "6" as their level of alcohol use? (round to the thousandths if necessary)

Question 8

Based on the two different distributions of scores, which group reported lower alcohol use?

Group of answer choices

Males

Females

The mean and standard deviation was the same for both groups.

I do not have enough information to answer this question.

Answer 1