Question: The table at the end of this document includes information for a hypothetical study on anxiety, study time, and grade-point-average for college students in four
The table at the end of this document includes information for a hypothetical study on anxiety, study time, and grade-point-average for college students in four undergraduate programs.
The four variables measured include (1) general anxiety, (2) average number of hours spent each weekday on studying, (3) grade-point-average specifically in the participant's academic major, (4) grade-point average across all subjects. There is also a categorical variable, (5) major.
Enter the data provided in the table into SPSS. Remember to properly identify your variables as either scalar or nominal; there are no ordinal variables. Answer the following questions about the data by providing the relevant test statistic and p-value to indicate statistical significance.
Question 2 involves taking a closer look at the difference in mean scores between the majors. Are the differences in anxiety, study time, and GPA statistically significant?
2a. Compare the measured anxiety of the four majors against each other. Is there a statistically significant difference in anxiety between majors?
2b. Compare the reported study time of the four majors against each other. Is there a statistically significant difference in study time between majors?
2c. Compare both the average GPA (Major) and GPA (Overall) of the four majors against each other. Is there a statistically significant difference in either GPA (Major) and/or GPA (Overall) between majors?
| Anxiety | Study Time | GPA (Major) | GPA (Overall) | Major | |
| 17 | 5 | 3.60 | 3.36 | Pre-Med | 1 |
| 12 | 4 | 3.33 | 3.00 | Psychology | 2 |
| 13 | 4 | 3.67 | 3.38 | Philosophy | 3 |
| 16 | 7 | 4.00 | 3.70 | Pre-Med | 1 |
| 13 | 6 | 3.50 | 3.30 | Psychology | 2 |
| 17 | 7 | 3.33 | 3.13 | Business | 4 |
| 13 | 4 | 3.50 | 3.45 | Philosophy | 3 |
| 21 | 7 | 3.80 | 3.75 | Pre-Med | 1 |
| 15 | 5 | 3.00 | 3.00 | Pre-Med | 1 |
| 23 | 3 | 2.50 | 2.70 | Business | 4 |
| 17 | 5 | 3.75 | 3.18 | Psychology | 2 |
| 24 | 8 | 3.80 | 3.89 | Psychology | 2 |
| 24 | 8 | 4.00 | 3.80 | Philosophy | 3 |
| 22 | 8 | 3.75 | 3.40 | Psychology | 2 |
| 18 | 7 | 3.67 | 3.60 | Pre-Med | 1 |
| 14 | 5 | 3.67 | 3.56 | Psychology | 2 |
| 23 | 6 | 3.50 | 3.50 | Business | 4 |
| 13 | 5 | 3.67 | 3.00 | Business | 4 |
| 17 | 7 | 3.60 | 3.36 | Pre-Med | 1 |
| 12 | 5 | 3.33 | 3.00 | Business | 4 |
| 22 | 6 | 3.50 | 3.18 | Pre-Med | 1 |
| 19 | 6 | 3.50 | 3.10 | Psychology | 2 |
| 23 | 7 | 3.00 | 3.00 | Pre-Med | 1 |
| 25 | 8 | 3.25 | 3.18 | Pre-Med | 1 |
| 23 | 7 | 3.33 | 3.09 | Psychology | 2 |
| 24 | 5 | 3.67 | 3.80 | Psychology | 2 |
| 13 | 4 | 2.75 | 2.40 | Business | 4 |
| 11 | 4 | 3.00 | 2.81 | Psychology | 2 |
| 16 | 4 | 3.60 | 3.36 | Pre-Med | 1 |
| 14 | 5 | 3.00 | 3.30 | Business | 4 |
| 8 | 3 | 3.00 | 2.77 | Philosophy | 3 |
| 19 | 6 | 3.80 | 3.89 | Pre-Med | 1 |
| 13 | 5 | 3.00 | 2.67 | Philosophy | 3 |
| 13 | 4 | 3.67 | 3.56 | Psychology | 2 |
| 21 | 8 | 4.00 | 3.89 | Business | 4 |
| 19 | 6 | 3.67 | 3.30 | Philosophy | 3 |
| 18 | 5 | 3.67 | 3.80 | Pre-Med | 1 |
| 21 | 6 | 4.00 | 4.00 | Pre-Med | 1 |
| 12 | 5 | 3.67 | 3.40 | Psychology | 2 |
| 17 | 6 | 3.25 | 3.60 | Pre-Med | 1 |
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