# Question: The linear correlation coefficient of a set of data points

The linear correlation coefficient of a set of data points is 0.846.

a. Is the slope of the regression line positive or negative? Explain your answer.

b. Determine the coefficient of determination.

a. Is the slope of the regression line positive or negative? Explain your answer.

b. Determine the coefficient of determination.

**View Solution:**## Answer to relevant Questions

The coefficient of determination of a set of data points is 0.709 and the slope of the regression line is −3.58. Determine the linear correlation coefficient of the data. y = 64 − 32x (from Exercise 4.8) a. Find the y-intercept and slope of the specified linear equation. b. Explain what the y-intercept and slope represent in terms of the graph of the equation. c. Explain what the ...Following are the data on age and crown-rump length for fetuses from Exercises 4.54 and 4.92. a. Obtain the linear correlation coefficient. b. Interpret the value of r in terms of the linear relationship between the two ...The data from Exercise 4.66 for percentage of gross domestic product (GDP) spent on health care and life expectancy, in years, for selected countries are on the WeissStats CD. Do the required parts separately for each ...A Knight-Ridder News Service article in an issue of the Wichita Eagle discussed a study on the relationship between country music and suicide. The results of the study, coauthored by S. Stack and J. Gundlach, appeared as the ...Post your question