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 the first 6 months of 1988, advertisers spent $1.1 billion. Who were the largest spenders? In a recent article, listed the top 10 leading spenders (in million of dollars) : Calculate the sample variance.

A) 383.77
B) 50.90
C) 19.59
D) 39.61