Correlation Using the scatter plot of the registered nurse salary data shown below, what type of correlation, if any, do you think the data have? Explain. 28. Regression Line Find an equation of the...

Correlation Using the scatter plot of the registered nurse salary data shown below, what type of correlation, if any, do you think the data have? Explain.

28. Regression Line Find an equation of the regression line for the data. Sketch a scatter plot of the data and draw the regression line.

29. Using the Regression Line The analyst used the regression line you found in Exercise 28 to predict the annual salary for a registered nurse with

28 years of experience. Is this a valid prediction? Explain your reasoning. 30. Significant Correlation? A salary analyst claims that the population has a significant correlation for a = 0.01. Test this claim.