A sample of 5 months of sales data can be found in Excel below: Open spreadsheet a. Develop a point estimate of the population mean number of units sold per month (to 1 decimal). b. Develop a point estimate of the population standard deviation (to 2 decimals). Check My Work Reset Problem U G2 15 H E Form Sample Size Number of Stocks (Rating of 5 Stars) Point Estimate (Rating of 5 stars) Number of Stocks (Low Business Risk) 19 Point Estimate (Low Business Risk) Number of Stocks (Rating of 3 Stars or Less) Point Estimate (Rating of 3 Stars or Less) B C D 1 Company Morningstar Rating Business Risk 2 Ameron Corp 5 Star Very Low 3 Appletne 1 Star Very Low 4. Ataying 1 Star Low 5 Bank of New York Mellon Corp 3 Star Average 6 BlackRock Inc 4 Star Average 7 Buckeye Partners 3 Star Low B Cardinal Health Inc 2 Star Low CenturyLink Inc 4 Star High 10 Cintas Corporation 1 Star Very Low 11 Colgate-Palmolive Company 4 Star LOW 12 Coming Inc 5 Star High 13 Darden Restaurants Inc 4 Star Low 14 Discover Financial Services 4 Star Average 15 eBay Inc 4 Star Very Low 16 Endo Health Solutions 4 Star Very Low 17 Fair Isaaac Corp 2 Star Averago 18 Fluor Corp 4 Star Average 19 Gentex Corporation 2 Star Average 5 Star Low 20 Group 1 Automotive Inc 21 Hess Corp 3 Star Low 22 Icon PLC 4 Star Average 23 International Flavors & Fragrances 1 Star Low 24 John Wiley & Sons, Inc. 2 Star Average 4 Star 25 Knight Transportation, Inc Average 26 Life Technologies corp 3 Star High 27 Marvell Technology Group, Ltd 3 Star Low 28 Methanex Corporation 4 Star Average 29 Mylan Inc 2 Star Average 30 New York Times Company 5 Star Average 31 OfficeMax Inc 3 Star Average 32 Owens-Coming, Inc. 4 Star Average 33 Polaris Industries, Inc. 2 Star Very Low 34 Rio Tinto PLC 4. Star Average 35 Sempra Energy 4 Star Average 4 Star Low 36 Suitel Financial Corp 2 Star Low 37 Texas Instruments, Inc. 2 Star Low 38 United Technologies Corp 1 Star Low 39 Weight Watchers International, Inc. 2 Star Low 40 WR Berkley Corp 41 Yum Brands Inc 4 Star High 42 43 44