Answered

A social psychologist is studying the effect of group size on compliance behaviors. In this description, the group size is the:
Group of answer choices a) independent variable b) dependent variable c) constant d) none of the above

2. Assuming μ = 100 and σ = 15, what is the proportion of scores that fall below a score of 117?

a) .3708 b) .1292 c) .8708 d) .7416

3. Match each statistical test to its corresponding description.

a) independent groups t test

b) one sample t test

c) one sample z test

- used when both the population mean and population standard deviation are known.

-used when you have an IV with two levels that are between subjects in nature

-used when the population mean is known but the standard deviation is unknown

4. A nondirectional one sample t test was conducted. The number of participants in the study was 20. Assuming α = .05, what CV(s) would you use to test the observed t in this study?

Group of answer choices a) 1.729 and -1.729 b) 2.086 c) 2.086 and -2.086 d) 2.093 and -2.093