5. Each year advertisers spend billions of dollars purchasing commercial time on network television. In the first 6 months of one year, advertisers spent $1.1 billion. Who were the largest spenders? In a recent article, the top 10 leadng spenders and how much each spent (in million of dollars) were listed: Company A $73.5 Company B 63.4 Company C 57.6 Company D 57.5 Company E 28.2 Company F $27.7 Company G 27.6 Company H 21.9 Company I 23.5 Company J 20.2 Calculate the sample variance. Show all steps.

Consider the table. Sales on Toaster Ovens   2004 2005 2006 2007 2008 Super Deluxe $86,100 $140,500 $65,800 $56,100 $59,000 Deluxe 103,200 136,100 129,900 133,800 75,400 Standard 147,300 123,600 125,500 132,600 58,000 What percent of the total sales in 2004 were the deluxe model? (Round to the nearest tenth percent.)

The table shows the number of bikes sold at a store during a three-year period. Year Number Sold Year 1 725 Year 2 579 Year 3 696 In Year 4, the store sold 121% of the total number of scooters sold during previous three years combined. Determine the number of scooters sold in Year 4. A. 2,420 B. 2,000 C. 42,000 D. 242,000

The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company T VZ CVX Chevron PFE MCD McDonald's GE AT&T MRK Verizon KO Pfizer General Electric Merck Price ($) Coca-Cola 33.59 46.78 112.18 93.70 31.15 25.27 CAT Caterpillar XOM ExxonMobil 92.45 56.79 91.53 42.22 Yield 5.48% 4.70% 3.82% 3.63% 3.60% 3.48% 3.17% 3.06% 2.99% 2.89% You decide to make a small portfolio consisting of a collection of 6 of the top 10 Dogs of the Dow. (a) How many portfolios are possible? portfolios (b) How many of these portfolios contain MRK but not PFE? portfolios