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

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