Question

mclueh the homework document, not uploaded as separate files. Where appropriate, label and title graphs and tables. Calculations 1. An education professor in interested in whether student age is relate d to academic performance. She collects data on academic performance (using official university records) from a stratified random sa of student sample (using the strata of age) . Use the following data s taking general education classes in three semesters at a large state university to test to hypothesis that older students are more likely to excel in general education classes tharn are younger students. (HINT: to determine which calculations you will need to complete this hypothesis test, you should first review what levels of measurement your variables are.) Table 1. Frequencies of age and GPA range Total Older than 25 years Younger than 25 old years old GPA in A or B range 296 63 1033 474 1329 537 GPA in C or below range Total 359 1507 1866 a. State your null and alternative hypotheses. b. Select your alpha level and determine your critical value. c. Using the correct test of hypothesis, calculate the test statistic. Fully show all calculations.

Answer 1