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Using the data below, please calculate the correlation and create a scatterplot using both Excel and SPSS. Provide copies of both graphs pasted into this
- Using the data below, please calculate the correlation and create a scatterplot using both Excel and SPSS. Provide copies of both graphs pasted into this document.
X | Y |
3 | 6 |
5 | 1 |
9 | 7 |
4 | 8 |
2 | 2 |
6 | 3 |
7 | 5 |
2 | 4 |
3 | 4 |
2 | 9 |
- The Admissions Department of State University is exploring the relationship between high school GPA and combined SAT scores. Using the "GPA" data below, calculate the correlation and create a scatterplot using SPSS. Also calculate the coefficient of determination and explain what it means. Provide your output (SPSS) and any other necessary work.
GPA | SAT |
3.82 | 1250 |
3.66 | 1150 |
2.79 | 1070 |
4 | 1580 |
2.25 | 1020 |
3.9 | 1480 |
3.98 | 1550 |
1.98 | 1000 |
- Place the following correlation coefficients in order from weakest to strongest.
+.90
-.34
+.21
-.75
+.44
-.85
- Explain what is meant by the phrase "Association Not Causation" with regard to correlation coefficients. Give an example to strengthen your answer.
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