4.18 Use the following salary data for this exercise: $44,751 $38,862 $52,000 $51,380 $41,500 $61,774 a. Calculate the mean, the median, and the mode. b. Add another salary, $97,582. Calculate the mean, median, and mode again. How does this new salary affect the calculations? c. Calculate the range, variance, and standard deviation for the original salary data. d. How does the range change when you include the outlier salary, $97,582