# Question

The data from Exercise 4.68 for home size (in square feet) and assessed value (in thousands of dollars) for the same homes as in Exercise 4.97 are on the WeissStats CD.

a. Decide whether finding a regression line for the data is reasonable. If so, then also do parts (b)–(d).

b. Obtain the coefficient of determination.

c. Determine the percentage of variation in the observed values of the response variable explained by the regression, and interpret your answer.

d. State how useful the regression equation appears to be for making predictions.

a. Decide whether finding a regression line for the data is reasonable. If so, then also do parts (b)–(d).

b. Obtain the coefficient of determination.

c. Determine the percentage of variation in the observed values of the response variable explained by the regression, and interpret your answer.

d. State how useful the regression equation appears to be for making predictions.

## Answer to relevant Questions

The data from Exercise 4.69 for average high and low temperatures in January for a random sample of 50 cities are on the WeissStats CD. a. Decide whether finding a regression line for the data is reasonable. If so, then also ...Refer to Problem 14. a. Determine SST, SSR, and SSE by using the computing formulas. b. Obtain the coefficient of determination. c. Obtain the percentage of the total variation in the observed graduation rates that is ...TheWorld Almanac provides information on past and projected total solar eclipses from 1955 to 2015. Unlike total lunar eclipses, observing a total solar eclipse from Earth is rare because it can be seen along only a very ...The random variable Y is the number of color television sets owned by a randomly selected household with annual income between $15,000 and $29,999. Its probability distribution is as follows. a. Find and interpret the mean ...An insurance company wants to design a homeowner's policy for mid-priced homes. From data compiled by the company, it is known that the annual claim amount, X, in thousands of dollars, per homeowner is a random variable with ...Post your question

0