Texts:
Hours Age GPA Parties Passing Greek Sex
3.25 27 3.21 111 220 2.87 122 2.52 22.77 212 319 351 21 418 341 21 6 213.53 112 2.42 3.25 221 2.53 3.12 221 2.11 2.84 211 520 3.55 112 321 2.75 122 1.51 92.62 221 2.51 83.10 211 2.19 2.93 112 4 203.53 111 3.52 3.74 112 321 3.46 222 4.25 273.82 222 3.51 92.67 121 322 3.24 111
A researcher is interested if there is a relationship between gender and Greek membership. Using the data given above, she found the chi-square equals 0.22.
1. What is the critical value (alpha 0.05) for this test?
2. What decision regarding the null hypothesis should she make? (Type in either "Reject the null hypothesis" or "Fail to reject the null hypothesis")
Using the dataset given above, answer the following questions. Round to two decimal places.
3. What is the correlation between the number of parties attended in the past month and GPA?
4. How much of the variation in GPA can be explained by the number of parties attended in the past month?
5. What would you predict the GPA to be of someone who went to 4 parties last month?