1. A psychologist is interested in whether the average IQ scores of psychology undergraduate students differed from all adults. The psychologist obtained a sample of 120 undergraduate psychology students, and the mean IQ score for the sample was 111.

Identify the independent variable:

Identify the scale of measurement for the IV (i.e., nominal, ordinal, interval, ratio):

Identify the dependent variable:

Identify the scale of measurement for the DV (i.e., nominal, ordinal, interval, ratio):

The test statistic utilized is(circle one): correlation regression test comparing groups

Identify the populations of interest:

1.

2.

State the Null and Research Hypotheses

Null Hypothesis

Research Hypothesis