# Question

Refer to Exercise 2, where we are attempting to link a company’s annual R & D Budget (x) to the number of patents granted to researchers at the company (y). The estimated regression equation turned out to be ˆy = 3.5 – 1.0x.

a. Show the 95% confidence interval estimate of the “population” intercept,. Interpret your interval.

b. Show the 95% confidence interval estimate of the “population” slope, . Interpret your interval.

a. Show the 95% confidence interval estimate of the “population” intercept,. Interpret your interval.

b. Show the 95% confidence interval estimate of the “population” slope, . Interpret your interval.

## Answer to relevant Questions

Refer to Exercise 3 where we are trying to link mortgage interest rate (x) to home sales (y). The estimated regression equation there was ˆy =90 – 4x. a. Show the 90% confidence interval estimate of the “population” ...Refer to Exercise 2, where we are attempting to link a company’s annual R & D Budget (x) to the number of patents granted to researchers at the company (y). The estimated regression equation turned out to be ˆy = 3.5 – ...Refer to Exercise 10 where we are trying to link the number of customer choices (x) and the level of customer confidence (y). The estimated regression equation turned out to be ˆy =66 6.8x. Is the sample slope (b = – 6.8) ...Refer to Exercise 8 (hedge fund returns and administrator compensation). The estimated regression equation turned out to be ˆy = 2.2 + .55x. Show the 95% confidence interval estimate of the expected compensation for the ...Plot the data and show the least squares line and the corresponding estimated regression equation. Given the line that you’ve drawn, about how much do support costs appear to increase with each 1000 square foot increase in ...Post your question

0