# Question

On the Weiss Stats CD are data on home size (in square feet) and assessed value (in thousands of dollars) for the same homes as in Exercise 14.33.

a. Obtain and interpret the standard error of the estimate.

b. Obtain a residual plot and a normal probability plot of the residuals.

c. Decide whether you can reasonably consider Assumptions 1–3 for regression inferences met by the two variables under consideration.

a. Obtain and interpret the standard error of the estimate.

b. Obtain a residual plot and a normal probability plot of the residuals.

c. Decide whether you can reasonably consider Assumptions 1–3 for regression inferences met by the two variables under consideration.

## Answer to relevant Questions

The National Oceanic and Atmospheric Administration publishes temperature information of cities around the world in Climates of the World. A random sample of 50 cities gave the data on average high and low temperatures in ...Explain why the predictor variable is useless as a predictor of the response variable if the slope of the population regression line is 0. = 2.875 − 0.625x a. Decide, at the 10% significance level, whether the data provide sufficient evidence to conclude that x is useful for predicting y. b. Find a 90% confidence interval for the slope of the population ...Refer to Exercise 14.51; 90%. Procedure 14.2 Regression t-Interval Procedure Purpose To find a confidence interval for the slope, β1, of the population regression line Assumptions The four assumptions for regression ...The data from Exercise 14.35 for average high and low temperatures in January for a random sample of 50 cities are on the WeissStats CD. a. Decide whether you can reasonably apply the regression t-test. If so, then also do ...Post your question

0