Consider the following data.
$Consider the following data. A) Calculate the least squares estimate . B) Calculate the least squares estimate . C) Estimate the error variance . D) Test H0: \beta 1 = 0 versus H1: \beta 1 \neq 0 with \alpha = 0.05. Answer H0 is rejected at \alpha = 0.05 or H0 is not rejected at \alpha = 0.05 . E) Estimate the expected y value corresponding to x = 3. F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.$ $Consider the following data. A) Calculate the least squares estimate . B) Calculate the least squares estimate . C) Estimate the error variance . D) Test H0: \beta 1 = 0 versus H1: \beta 1 \neq 0 with \alpha = 0.05. Answer H0 is rejected at \alpha = 0.05 or H0 is not rejected at \alpha = 0.05 . E) Estimate the expected y value corresponding to x = 3. F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.$
A) Calculate the least squares estimate .
$Consider the following data. A) Calculate the least squares estimate . B) Calculate the least squares estimate . C) Estimate the error variance . D) Test H0: \beta 1 = 0 versus H1: \beta 1 \neq 0 with \alpha = 0.05. Answer H0 is rejected at \alpha = 0.05 or H0 is not rejected at \alpha = 0.05 . E) Estimate the expected y value corresponding to x = 3. F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.$
B) Calculate the least squares estimate .
$Consider the following data. A) Calculate the least squares estimate . B) Calculate the least squares estimate . C) Estimate the error variance . D) Test H0: \beta 1 = 0 versus H1: \beta 1 \neq 0 with \alpha = 0.05. Answer H0 is rejected at \alpha = 0.05 or H0 is not rejected at \alpha = 0.05 . E) Estimate the expected y value corresponding to x = 3. F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.$
C) Estimate the error variance .
$Consider the following data. A) Calculate the least squares estimate . B) Calculate the least squares estimate . C) Estimate the error variance . D) Test H0: \beta 1 = 0 versus H1: \beta 1 \neq 0 with \alpha = 0.05. Answer H0 is rejected at \alpha = 0.05 or H0 is not rejected at \alpha = 0.05 . E) Estimate the expected y value corresponding to x = 3. F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.$
D) Test H₀:

\beta

₁ = 0 versus H₁:

\beta

₁

\neq

0 with

\alpha

= 0.05. Answer "H₀ is rejected at

\alpha

= 0.05" or "H₀ is not rejected at

\alpha

= 0.05".
E) Estimate the expected y value corresponding to x = 3.
F) Give a 90% confidence interval for the expected y value at x = 3. Round your answer to two decimal places.

An Advertising Company Collected Data on the Number of New xˉ \bar{x}xˉ

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