7 This table shows 10 observations of a pair of variables (x, y). The variables x and y are positively correlated, with a correlation coefficient of 0.977. Find the slope (b) of the least squares regression line (y = a + bx) for these data.

x 1 2 3 4 5 6 7 8 9 11
y 2 4 5 8 9 12 13 14 15 16

8. This table shows 4 observations of a pair of variables (x, y). The variables x and y are positively correlated, with a correlation coefficient of 0.99. Find the slope (b) of the least squares regression line (y = a + bx) for these data.

x 1 2 3 4
y 1 3 7 10

Question

7	This table shows 10 observations of a pair of variables (x, y). The variables x and y are positively correlated, with a correlation coefficient of 0.977. Find the slope (b) of the least squares regression line (y = a + bx) for these data.

x	1	2	3	4	5	6	7	8	9	11
y	2	4	5	8	9	12	13	14	15	16



8.	This table shows 4 observations of a pair of variables (x, y). The variables x and y are positively correlated, with a correlation coefficient of 0.99. Find the slope (b) of the least squares regression line (y = a + bx) for these data.

x	1	2	3	4
y	1	3	7	10