The salaries of the employees at four companies are summarized below. Answer the questions about them. Company A: The mean salary is  $22,000  and the range of salaries is  $47,000 .Company B: The mean salary is  $14,000  and the range of salaries is  $48,000 .Company C: The mean salary is  $16,000  and the range of salaries is  $46,000 .Company D: The mean salary is  $19,000  and the range of salaries is  $55,000 . (a) Based on the information above, which company's salaries have the most variability?   Company A     Company B     Company C     Company D   (b) Based on the information above, which company has the highest salaries on average?   Company A     Company B     Company C     Company D

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