Question: A study was conducted to detemine whether the final grade of a student in STA 1200 course is linearly related to his or her performance

A study was conducted to detemine whether the final grade of a student in STA 1200 course is linearly related to his or her performance on the Normal-Distribution Webwork assignment. The Webwork scores and final grades for 1010 students are shown in the table below.

Student Webwork Score xx Final Grade yy
11 4242 4848
22 3939 4242
33 4444 5050
44 5151 6161
55 2727 3232
66 7575 9191
77 7676 9393
88 2525 2626
99 5959 6868
1010 5454 6060

Find the following: a) Compute the value of SST (Total Sum of Squares) answer:

(b) Compute the value of SSR (Regression Sum of Squares) answer:

(c) Compute the value of SSE (Error Sum of Squares) answer:

(d) The coefficient of determination is answer:

(e) What percent of variation in the observed values of the response variable is explained by the regression? answer:

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