Each Year Advertisers Spend Billions of Dollars Purchasing Commercial Time

Multiple Choice

Each year advertisers spend billions of dollars purchasing commercial time on network sports television. In thefirst 6 months of 1988, advertisers spent $1.1 billion. Who were the largest spenders? In a recent article, listedthe top 10 leading spenders (in million of dollars) : $$\begin{array} { l r l r } \text { Company A } & \$ 70.7 & \text { Company F } & \$ 27.3 \\\text { Company B } & 60.7 & \text { Company G } & 26.1 \\\text { Company C } & 55.4 & \text { Company H } & 22.8 \\\text { Company D } & 54.8 & \text { Company I } & 23 \\\text { Company E } & 28.7 & \text { Company J } & 19.4\end{array}$$ Calculate the sample variance.

A) 367.36
B) 19.17
C) 38.89
D) 51.30