(a) USING CALCULATOR (by hand) OR EXCEL BASIC COMPUTATIONS Write out the regression equation. What is the correlation coefficient? What is r-square (coefficient of determination)? Draw the conclusion (very important)
A researcher is interested in determining whether there is a relationship between grades and hours studied for statistics.
Hours studied(X) |
Grade on final(Y) |
1 |
20 |
2 |
30 |
4 |
40 |
7 |
60 |
6 |
70 |
7 |
78 |
8 |
83 |
9 |
98 |
Get Answers For Free
Most questions answered within 1 hours.