Consider the simple linear regression model y 0 1 x where the intercept 0is known Find the least squares estimator of 1for this model Does this answer seem reasonable What is the variance of the slope(1)for the least squares estimator found in part a Find a 100(1 ) percent CI for 1 Is this interval narrower than the estimator for the case where both slope and intercept are unknown Consider the simple linear regression model y 0 B1x where the intercept 30 is known 3 Find the least squares estimator of 31 for this model Does this answer seem reasonable b What is the variance of the slope (E) for the least squares estimator found in part a c Find a 100(1 a) percent CI for 31 Is this interval narrower than the estimator for the case where both slope and intercept are unknown

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Question: Consider the simple linear regression model y =0+1 x + where the intercept 0is known. Find the least-squares estimator of 1for this model. Does this

Consider the simple linear regression modely=0+1x+

where the intercept0is known.

Find the least-squares estimator of1for this model. Does this answer

seem reasonable?

What is the variance of the slope(1)for the least-squares estimator found in part a?
Find a 100(1)percent CI for1. Is this interval narrower than the estimator for the case where both slope and intercept are unknown?

Consider the simple linear regression modely=0+1x+where the intercept0is known.Find the least-squares estimator

Consider the simple linear regression model y=0+B1x+ where the intercept [30 is known. 3. Find the least-squares estimator of [31 for this model. Does this answer seem reasonable? b. What is the variance of the slope (E) for the least-squares estimator found in part a? c. Find a 100(1 a) percent CI for [31. Is this interval narrower than the estimator for the case where both slope and intercept are unknown

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