1. Here are the summary statistics for the weekly payroll of a small company: Lowest salary = 250, mean salary = 500, median salary = 500, range = 1050, IQR = 300, Q1 = 350, standard deviation = 200.
2. In the absence of outliers, do you think the distribution of salaries is symmetric, skewed to the left, or skewed to the right?
3. Suppose the company gives everyone a $50 raise. Tell the new values of each of the summary statistics. New median salary =
4. New IQR =
5. Instead of a $50 raise, suppose the company gives everyone a 5% raise. Tell the new values of each of the summary statistics below.
6. New median salary = New IQR =