Author: Anonymous

A researcher is interested in screen time habits for American high school students. A group of 75 students are interviewed and the researcher finds that the students’ screen time average is 4.3 hours per day. For this study, the average of 4.3 hours is an example of a(n) ______.

A researcher does a test on anxiety levels in college students and gets a mean of 80 and a standard deviation of 4. What is the z-score for a raw score of 64?

A 90% confidence interval for the population mean ranges from 16 to 20. Based on this information:

What shaped distributions have an equal mean and median, but those measures are not equal to the mode?

A researcher conducts an experiment comparing three treatment conditions with 10 scores in each treatment condition. If a one-way ANOVA is used, how many subjects are needed for the experiment?

The frequency of AP can code for intensity of stimulus.

The scatter plot for a set of X and Y values shows the data points clustered in a nearly perfect circle.  For these data, what is the most likely value for the Pearson correlation?

A repeated-measures ANOVA study produces an F-ratio with df = (4, 20). How many treatment conditions were there?

Which of the following is NOT a functional classification of neurons?  

The results from a repeated-measures ANOVA are reported as: F(2, 45) = 3.75, p < .05. For this study, how treatment conditions were compared?