(20 pts) An educator wants to see how the number of absences for a student in her class affects the student's final grade. The data obtained from a sample are shown. 10 12 2 Number of absences X Final Grade Y 0 65 96 94 75 70 8 S 82 Let Ex-37; Ey-482; Exy-2682; Ex²-337; ²-39526 a. (2 pts) Draw a scatter plot.
(20 pts) An educator wants to see how the number of absences for a student in her class affects the student's final grade. The data obtained from a sample are shown. 10 12 2 Number of absences X Final Grade Y 0 65 96 94 75 70 8 S 82 Let Ex-37; Ey-482; Exy-2682; Ex²-337; ²-39526 a. (2 pts) Draw a scatter plot.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:STA 310
(20 pts) An educator wants to see how the number of absences for a student in her class affects the
student's final grade. The data obtained from a sample are shown.
Number of absences X
10
12
2
0
8
S
Final Grade Y
70
65 96
94
75 82
Let Ex-37; Ey-482; Exy-2682; Ex²-337; ²=39526
a. (2 pts) Draw a scatter plot.
b. (3 pts) Compute the value of the correlation coefficient and interpret.
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