State the 2 inferences drawn when using regression data

State the 2 inferences drawn when using regression data. _________ _________
State the assumptions for regression inference.

for any x value, y-data is n__________ d____________ .

for any x value, the y-data's standard deviation is the s________ .

the means of the y-data distribution at any value of x form a s______ l_____ relationship:

Fill ou the table shown below and use it to calculate the standard error (s) of the least squares regression line.

s = [ S(y - ŷ)²/ (n-2) ]^1/2

Data Points Total

X 1 2 3

Y 2.1 3.8 6.2

ŷ

(y - ŷ)

(y - ŷ)²

	Data Points			Total
X	1	2	3
Y	2.1	3.8	6.2
ŷ
(y - ŷ)
(y - ŷ)²