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The following table shows the hour studied per week and the GPA for 19 students. Complete the table and answer the questions that follow. Study
The following table shows the hour studied per week and the GPA for 19 students. Complete the table and answer the questions that follow.
Study Hours per Week | GPA | |
0.5 | 1.9 | |
1 | 2.3 | |
4 | 2.3 | |
5 | 2.4 | |
1.5 | 2.5 | |
4 | 2.5 | |
3 | 2.5 | |
6 | 2.5 | |
2 | 2.5 | |
1.5 | 2.7 | |
2 | 2.7 | |
5 | 2.77 | |
2 | 2.78 | |
4 | 2.8 | |
2 | 2.8 | |
4 | 2.8 | |
4 | 2.8 | |
3 | 2.8 | |
0.25 | 2.83 | |
Standard Deviation | 1.634 | 0.246 |
Mean | 2.882 | 2.588 |
The correlation coefficient is 0.159.
- Find the slope coefficient for the regression line (assume that GPA (y) is a function of HOURS (x)).
- Describe what the slope tells you about the relationship between hours studied and GPA.
- Find the intercept for the regression line.
- Describe what the intercept tells you about hours studied and GPA/
- Write the regression model.
- Predict the GPA of someone who studies 10 hours per week.
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