Question

2a. Based on the data shown below, calculate the regression line (each value to two decimal places)

y =_ x + _

x	y
1	35.15
2	34.1
3	31.45
4	28.4
5	26.55
6	23.8
7	21.85
8	20.6

2a. Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places)

x	y
3	15.13
4	19.04
5	23.05
6	25.66
7	27.97
8	29.18
9	32.39
10	33.7
11	37.31

2c.

Here is a bivariate data set.

x	y
45.6	221.8
82.9	-53.9
3.3	-14.7
43.7	213.6
43.5	121.3
56.9	100
33.7	100.9
58.2	116
26.6	-24.6
38	54.6
41	108.3
66.7	30.8
45.3	-32.5

Find the correlation coefficient and report it accurate to three decimal places.
r =

Please answer what you can. I appreciate any help!!

:)

Answer 1