Author Question: What is an unbiased estimate of E (Y X = 5) if the simple linear regression model has an ... (Read 53 times)

olgavictoria · **on:** Jun 24, 2018

What is an unbiased estimate of E (Y X = 5) if the simple linear regression model has an estimated regression line of

= 10 - 1.8x?

a.5
b.19
c.1
d.There is not enough information given to determine the estimate of E (Y X = 5)

Question 2

Which of the following explains in words the null hypothesis in a test of H₀:

versurs H_a:

?

a.H₀:

is a statement that the two variables are not related in any way.
b.H₀:

is a statement that the two variables are related.
c.H₀:

is a statement that the two variables are not linearly related.
d.H₀:

is a statement that the two variables form a perfect straight line.

aadams68 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

correct: c

Answer to Question 2

correct: c

olgavictoria · **Reply 2 on:** Jun 24, 2018

Thanks for the timely response, appreciate it

Sarahjh

Wow, this really help