1.Calculate Pearson's r and the best-fit linear regression equation for the following two variables.

x y

2 3

6 11

3 6

4 6

7 12

5 2

5 10

3 9

Nic wants to know if students' grades in Quantitative Statistical Analysis I are influenced by class attendance and/or students' grade level.Thus, Nic recorded the statistics grades for each student (traditional 0 to 100%) and put them in the table below.

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