main

prev        

Statement of a problem № m190

        next    

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expenses. Advertising Expenditure ($ millions) Number of Companies 25 up to 35............ 5 35 up to 45............ 10 45 up to 55............ 21 55 up to 65............ 16 65 up to 75............ 8 Total.............. 60




New search. (Also 1294 free access solutions)