# Question

Refer to Demonstration Exercise 11.1 where we are trying to link tolerance for risk (x) to the % of financial assets that an investor has invested in the stock market (y). The estimated regression equation turned out to be ˆy =20 – 3.5x.

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 1, where are trying to link daily temperature (x) and coffee sales (y). The estimated regression equation turned out to be ˆy = 660 – 6.8x. a. Show the 95% confidence interval estimate of the ...Refer to Exercise 9 where we were trying to link customer waiting time (x) to customer satisfaction (y). The boundaries for a 95% confidence interval estimate of the “population” slope here are 6.271 and 2.671. Could we ...Refer to Exercise 8 (hedge fund returns and administrator compensation). The estimated regression equation turned out to be ˆy =2.2 – .55x. Is the sample slope (b = .55) “statistically significant” at the 5% ...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 (too much information). The estimated regression equation turned out to be yˆ = 66 – 6.8x. Show the 95% prediction interval estimate of the confidence score for a particular shopper who is presented ...Post your question

0