Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 32 manufacturing companies. Estimate the mean, median, and standard deviation of advertising expense. {Round the final answers to 2 decimal places.) Advertising Expenditure Number of ($ millions} companies $26 to under $36 3 36 to under 46 8 46 to under 56 11 56 to under 66 6 E6 to under ?6 4 Total 32 Mean $ Median $ Standard deviation $ The annual incomes of the five vice-presidents of TMV Industries are as follows: $142 000; $116 000; $107 000: $124 000; and $101 000. Consider this a population. a. What is the range? Range b. What is the arithmetic mean income? Arithmetic mean income c. What is the population variance and the standard deviation? (Round the standard deviation to 1 decimal place.) Variance Standard deviation d. The annual incomes of officers of another firm similar to TMV Industries were also studied. The mean was $118 000 and the standard deviation was $16 725. Compare the means and dispersions in the two firms. (Click to select) (Click to select) Means are about the same but less dispersion in salary for TMV vice presidents. Means are about the same but less dispersion in incomes of officers of another firm. Dispersions are about the same but average salary for TMV vice presidents are high. Dispersions are about the same but average incomes of officers of another firm are high