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Mathematics, 25.03.2020 06:24, claytonhopkins
A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance.
The verbal scores and final grades for 10 students are shown.
Student Verbal Score x=78,56,66,53,68,71,30.27,46,46
Final Grade Y= 87,67,80,73,99,84,74,72,61,80
Find the following:
a. The correlation coefficient: r=
b. The least squares line: y^=
c. Calculate the residual for the ninth student:
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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A study was conducted to determine whether the final grade of a student in an introductory psycholog...
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