(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.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 68E
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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.
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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