Financial Experts versus the Darts. This set of exercises examines how close the estimated mean, variance, and standard deviation are to their true values. Use the Darts data set from the Chapter 3 Case Study for Exercises 34–37.
Question 3.250
darts
37. Using technology, find the mean, variance, and standard deviation for the professionals, Darts, and the DJIA data sets. Calculate the difference between the estimated values and the actual values.
3.3.37
Professionals:
Mean: 10.95
Variance:
Standard deviation:
Darts:
Mean:
Variance:
Standard deviation:
DJIA:
Mean:
Variance:
Standard deviation: