There is some evidence that students who use Facebook while studying tend to have lower grades than non-users. A representative study surveyed students to determine the amount of Facebook use during the time they study or do homework. Based on the amount of time spent on Facebook, students were classified into three groups and their scores on a 10-point test were recorded. The following data show the results:

Non-User

Rarely Use

Frequent User

4

1

0

6

4

2

G = 43

3

5

0

X2= 193

7

2

2

520T = 25

T = 14

T = 4

SS = 10

SS = 10.8

SS = 4.8

Use an analysis of variance with= .05 to determine whether these data indicate any significant mean differences among the treatments (Facebook user groups).

Remember to;

1. State the null hypothesis,
2. Show all of your calculations,
3. Make a decision about your null hypothesis,
4. Make a conclusion including an APA format summary of your findings (include a measure of effect size if necessary), and
5. Indicate what you would do next given your findings.