The accompanying table is similar to Table. It is used to make the preliminary computations for finding the least squares line for the given pairs of x and y values.
a. Complete the table.
b. Find SSxy.
c. Find SSxx.
d. Find
e. Find
f. Find .
g. Find the least squares line.
| xi | yi | xi2 | xi yi |
| 7 | 2 | — | — |
| 4 | 4 | — | — |
| 6 | 2 | — | — |
| 2 | 5 | — | — |
| 1 | 7 | — | — |
| 1 | 6 | — | — |
| 3 | 5 | — | — |
Totals |
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