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Consider the Data

(A) Calculate the Least β\beta

Question 2

Short Answer

Consider the data
Consider the data (a) Calculate the least squares estimates \beta <sub>1</sub> and \beta <sub>0</sub>. (b) Estimate the error variance. (c) Obtain a 95 % confidence interval for \beta <sub>1</sub>. Can you conclude that the slope is different from 0? (d) Determine the proportion of variation in y explained by x.
(a) Calculate the least squares estimates β\beta 1 and β\beta 0.
(b) Estimate the error variance.
(c) Obtain a 95 % confidence interval for β\beta 1. Can you conclude that the slope is different from 0?
(d) Determine the proportion of variation in y explained by x.

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