Name
Rob
Thomas
Mark
Wanda
Judy
Haydn
Barbara
Karen
Marilyn
Phil
Test Mark (x)
61
95
44
93
63
80
62
95
65
88
Homework Mark (y)
35
50
5
50
15
34
16
50
7
38
A. What is the equation for the Linear Regression Line? Response area B. There is a Response area correlation between the test marks and the homework marks. C. The slope of the line of best fit can be used to make a probabilistic interpretation that states?
homework mark increases 37 pts for every 1 pt. on the test mark. Y = 0.7x - 38. The test mark decreases 0.7 pts for every 1 pt on the homework mark. No correlation. Positive. Y = -37x + 1
The homework mark increases 0.89 points for every 1 pt. On the test mark. The test mark increases 1 pt for every 1 pt on the homework mark. Y = 0.89x - 36.7. y = -x + 37. Negative
Based on the given data, the equation for the Linear Regression Line is:
Y = 0.89x - 36.7
There is a positive correlation between the test marks and the homework marks.
The slope of the line of best fit can be interpreted as: The homework mark increases 0.89 points for every 1 point increase in the test mark.