Which companies spend the most money on advertising? Business Insider maintains a list of the top-spending companies. In 2014, Procter & Gamble spent more than any other company, a whopping $5 billion. In second place was Comcast, which spent $3.08 billion (Business Insider website). The top 12 companies and the amount each spent on advertising in billions of dollars are as follows.

a. What is the mean amount spent on advertising?

b. What is the median amount spent on advertising?

c. What are the first and third quartiles?

Explanation:

the question is incomplete:

Company Advertising Company Advertising

a. What is the mean amount spent on advertising? (to 2 decimals)

b. What is the median amount spent on advertising? (to 3 decimals)

c. What are the first and third quartiles? First Quartiles (to 1 decimals) Third Quartiles (to 4 decimals)

total $30.57 billion

mean $2.55  billion

median is between $2.19 and $2.34 ⇒( $2.19 + $2.34) / 2 = $2.265

first quartile = ($1.88  + $1.96 + $1.97 + $2.09 + $2.15 + $2.19) / 6 =  $12.24 / 6 = $2.04

third quartile = ($2.34  + $2.44  + $2.56  + $2.91 + $3.08  + $5) / 6 = $18.33 / 6 = $3.055

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.