# Question

In an effort to determine whether any correlation exists between the prices of stocks of airlines, an analyst sampled six days of activity of the stock market. Using the following prices of Delta stock and Southwest stock, compute the coefficient of correlation. Stock prices have been rounded off to the nearest tenth for ease of computation.

Delta ... Southwest

47.6 ... 15.1

46.3 ... 15.4

50.6 ... 15.9

52.6 ... 15.6

52.4 ... 16.4

52.7 ... 18.1

Delta ... Southwest

47.6 ... 15.1

46.3 ... 15.4

50.6 ... 15.9

52.6 ... 15.6

52.4 ... 16.4

52.7 ... 18.1

## Answer to relevant Questions

The following data are the claims (in $ millions) for BlueCross BlueShield benefits for nine states, along with the surplus (in $ millions) that the company had in assets in those states.Use the data to compute a ...Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is, bonds perform well when lending rates are down and perform poorly when interest rates are ...Solve for the predicted values of y and the residuals for the data in Problem 12.8. The data are provided hereagain:Determine the sum of squares of error (SSE) and the standard error of the estimate (se) for Problem 12.6. Determine how many of the residuals computed in Problem 12.14 are within one standard error of the estimate. If the ...Test the slope of the regression line determined in Problem 12.6. Use α =.05.Post your question

0