# Question

Refer to Exercise 1 (Jessica’s coffee shop), where the least squares line is ˆy = 660 6.8x.

a. Report the SSE and s y. x values.

b. Tell what these measures represent.

a. Report the SSE and s y. x values.

b. Tell what these measures represent.

## Answer to relevant Questions

Refer to Exercise 2 (R & D budget), where the least squares line is ˆy =3.5 1.0x. a. Report the SSE and s y. x values. b. Tell what these measures represent. Refer to Exercise 9 (customer wait time), where the least squares line is yˆ = 126 1.8x. a. Report the SSE and s y. x values. b. Tell what these measures represent Compute and interpret the r2 and r values for the regression analysis described in Exercise 5 (consumer confidence index). (To speed your calculations: SST 2000 and SSR 1440.) 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 3 where we are trying to link mortgage interest rate (x) to home sales (y). The estimated regression equation there was ˆy = 90 – 4x. Can we reject the null hypothesis that the population slope, is 0 at ...Post your question

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