Each year advertisers spend billions of dollars purchasing c

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. 51.30 38.89 19.17 367.36

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