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Three varied statistics problems

1. Suppose that you had one hundred individuals' test scores on a 200-point test. Suppose that the distribution of test scores was as follows. 70 percent of the scores were between 95 and 105. the remainder of the scores were spread out approximately evenly in each of two tails of the distribution. Which of the following best describes this distribution.

a. Platykurtic
b. Leptokurtic
c. Normal
d. Bimodal

2. You examine the correlation between children watching television (in amount of hours per week) and the number of aggressive acts observed in a laboratory setting. You find the correlation to be r = .35, p < .01. What do you know from this data?
A. As television watching goes up then aggression goes down, and the relationship is strong.
B. As television watching goes up then aggression goes up, and the relationship is strong.
C. As television watching goes up then aggression goes down, but the relationship is moderate.
D. As television watching goes up then aggression goes up, but the relationship is moderate

3. You want to conduct a study that includes participants from several different churches as well as shoppers at Walmart. You are investigating whether level of trust in psychotherapy is affected by religious commitment. Your independent variable is __________ and your dependent variable is _____________.

a. trust in psychotherapy, religious commitment
b. religious commitment, trust in psychotherapy
c. churches and Walmart, religious commitment
d. churches and Walmart, beliefs about psychotherapy

Solution Summary

This solution answers 3 multiple choice statistics problems.

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