Answer:
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