Category: Uncategorized

What is the mean for the following scores?  Scores: 1, 6, 14

Beyoncé’s score on the last exam was less than satisfactory, or 46 points. The mean on the test was 76 points and the standard deviation was 10. Which statement is true?

The results from a research study indicate that adolescents who watch more violent content on television also tend to engage in more violent behavior than their peers.  The correlation between amount of TV violent content and amount of violent behavior is an example of ____.

What is the value of SP for the following set of data?X   Y1    42    49    1

An advertising company would like to know which of three popular TV shows puts people in the best mood. Participants are randomly assigned to watch one of three TV shows and then completed a questionnaire that assesses mood. The TV shows and mood scores are 30 Rock (M = 18), The Office (M = 24), and Family Guy (M = 20). Higher scores indicate better moods. The ANOVA results are F(2, 149) = 3.42, p < .01. Based on these results, which conclusion is true?

The values in the following matrix are treatment means from a two-factor study. One of the means is missing. What value for the missing mean would most likely result in no main effect for factor B?     B1 B2 A1 8 10 A2 14 ?

Which of the following sets of sample data would produce the largest value for an independent-measures t statistic?

What is the median for the following set of scores: 5, 9, 16, 6, 4, 8?

A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 scores in each treatment.  Which of the following designs would require only 20 participants?

A person gets a score of 80 for a test measuring anxiety levels. The mean score is 64 with a standard deviation of 8. What is this person’s z-score?