# Question: Exercise 4 127 a Construct a scatterplot for the data b Decide whether

Exercise 4.127.

a. Construct a scatterplot for the data.

b. Decide whether using the rank correlation coefficient is reasonable.

c. Decide whether using the linear correlation coefficient is reasonable.

d. Find and interpret the rank correlation coefficient.

a. Construct a scatterplot for the data.

b. Decide whether using the rank correlation coefficient is reasonable.

c. Decide whether using the linear correlation coefficient is reasonable.

d. Find and interpret the rank correlation coefficient.

## Answer to relevant Questions

Exercise 4.141. a. Construct a scatterplot for the data. b. Decide whether using the rank correlation coefficient is reasonable. c. Decide whether using the linear correlation coefficient is reasonable. d. Find and interpret ...y = 2 a. Find the y-intercept and slope. b. Determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation. c. Use two points to graph the equation. 0.4 and 1 a. Determine whether it slopes upward, slopes downward, or is horizontal, without graphing the equation. b. Find its equation. c. Use two points to graph the equation. In this section, we stated that any nonvertical line can be described by an equation of the form y = b0 + b1x. a. Explain in detail why a vertical line can't be expressed in this form. b. What is the form of the equation of ...a. Find the regression equation for the data points. b. Graph the regression equation and the data points.Post your question