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- 1. Which one do you think is more informative? Why? A B 40 25% 20% 30 15% 20 10% 10 5% 0% Poor Needs Imp Satisfactory V Good Excellent External Internal IExternal IInternal I Poor INeeds Imp Satisfactory TV Good ExcellentENGINEERING DATA ANALYST QUESTIONDixie Showtime Movie Theaters, Inc., owns and operates a chain of cinemas in several markets in the southern U.S. The owners would like to estimate weekly gross revenue as a function of advertising expenditures. Data for a sample of eight markets for a recent week follow. Market Weekly Gross Revenue($100s) Television Advertising($100s) Newspaper Advertising($100s) Mobile 101.3 4.9 1.4 Shreveport 52.9 3.1 3.2 Jackson 75.8 4.2 1.5 Birmingham 127.2 4.5 4.3 Little Rock 137.8 3.6 4 Biloxi 102.4 3.5 2.3 New Orleans 236.8 5 8.4 Baton Rouge 220.6 6.8 5.9 Use the data to develop an estimated regression equation with both television advertising and newspaper advertising as the independent variables.Let x1 represent the amount of television advertising.Let x2 represent the amount of newspaper advertising.If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign…
- Exercise 13-50 (LO13-6) Mr. William Profit is studying companies going public for the first time. He is particularly interested in the relationship between the size of the offering and the price per share. A sample of 15 companies that recently went public revealed the following information. Size Price Size Price ($ millions), per Share, ($ millions), per Share, Company x y Company x y 1 9.0 10.8 9 160.7 11.3 2 94.4 11.3 10 96.5 10.6 3 27.3 11.2 11 83.0 10.5 4 179.2 11.1 12 23.5 10.3 5 71.9 11.1 13 58.7 10.7 6 97.9 11.2 14 93.8 11.0 7 93.5 11.0 15 34.4 10.8 8 70.0 10.7 Click here for the Excel Data File a. Determine the regression equation. (Round your answers to 4 decimal places.) b-1. To determine if the slope of the regression line is positive, state the decision rule for 0.05 significance level: H0: β ≤ 0; H1: β > 0. (Round your answer…Forecasting: 1. How does the number of periods in moving average affect the responsiveness of the forecast? 2. Contrast the terms sales and demand. 3. KA commercial bakery has recorded sales (in dezens) for three products, as shown below: Blueberry MuHins Cinnamon Buns Day Cupcakes 30 18 45 34 17 26 32 19 27 34 23 35 2 22 30 23 48 23 29 34 36 25. 20 29 24 14 10 31 26 18 35 31 11 27 47 28 26 27 37 34 13 14 31 24 15 33 33 22 a. Predict orders for the following day for cach of the products using an appropriate naive method. b What should the use of sales data instead of demand imply. RNN N N N H.NM p23. An enquiry into the budgets of middle class families in Mumbai gave the Cilbwing information : Expenses on Food 35% Rent 15% Clothing 20% Fuel 10% Misc. 20% Price (2016) (Rs.) 2500 2000 1400 400 600 2850 2200 1498 500 960 Price (2017) (Rs.) What changes in the cost of living figure of 2017 have taken place compared to 2016? R bons b
- Insurance (Life Expectancy). Insurance companies base their premiums on many factors, but basically all the factors are variables that predict life expectancy. Life expectancy varies from place to place. The following variables are from a data set on various measures obtained from the 50 US states (around 2009) Murder: rate per 100,000 HS Graduation: recorded as a percentage Income: per capita income in dollars Illiteracy: rate per 1,000 Life Expectancy: recorded in years 2008 Electoral vote state color: red / blue State electoral vote color coded: red = 1 / blue = 0 Multiple linear regression results: See Attachments please Write the multiple linear regression equation, use this equation to predict the Life expectancy for Pennsylvania and calculate the residual. Data: State Name Life Expectancy Murder HS Grad Income Illiteracy ColorCode Color Alabama 69.05 15.1 41.3 3624 2.1 1 red Alaska 69.31 11.3 66.7 6315 1.5 1 red Arizona 70.55 7.8 58.1 4530 1.8 1 red Arkansas…2. You manage a company that purchases movie theaters. You have a spending goal of $4, 300 million for the purchase of new theaters to seat a total of 4,980 guests. You are given the following data: ABC theaters seat a total of 330 guests and cost $250 million each, CineMovie theaters seat 270- guests and cost $200 million each, and Movies 'n' Stuff theaters seat 240 guests and cost $250 million each. Your company wants you to buy half as many ABC theaters as the combined total of CineMovie and Movies 'n' Stuff theaters. You are tasked with determining how many of each theater your company should purchase. (a) Define variables and determine the constraints associated with this problem. Use them to set up a system of linear equations that models this scenario. (b) After applying Gauss-Jordan reduction, you arrive at the following augmented matrix: T10 0 6 Io 104 0 018 How many of each theater should your company purchase?Pricing Refrigerators. Best Buy, a nationwide retailer of electronics, computers, and appliances, sells several brands of refrigerators. A random sample of models of full size refrigerators prices sold by Best Buy and the corresponding cubic feet (cu.ft.) and list price follow (Best Buy website). Model Thru-the-Door Ice and Water? Cubic Feet List Price Frigidaire Gallery Custom-Flex Top-Freezer Refrigerator No 18.3 $899.99 GE French Door Refrigerator No 24.8 $1,599.99 GE Frost-Free Side-by-Side Refrigerator with Thru-the-Door Ice and Water Yes 25.4 $1,599.99 Whirlpool Top-Freezer Refrigerator No 19.3 $749.99 GE Frost-Free Top-Freezer No 17.5 $599.99 Whirlpool French Door Refrigerator with Thru-the-Door Ice and Water Yes 19.6 $1,619.99 Samsung French Door Refrigerator No 25.0 $999.99 Samsung Side-by-Side Refrigerator No 24.5 $1,299.99 Whirlpool Side-by-Side Refrigerator with Thru-the-Door Ice and Water Yes 25.4 $1,299.99 Frigidaire Gallery Frost-Free…