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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
For the graph shown below, which Area of Study had all of its salaries between $52,000 and $30,000?
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- Assume a company’s activity-based costing system includes three activities. The following information is available with respect to those activities: Activity Cost Pool Estimated Overhead Cost Expected Activity Testing $ 150,000 100,000 testing minutes Setups $ 114,400 2,200 setup hours Molding $ 220,000 10,000 machine hours What is the activity rate for the Setups activity?Dixie 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 102.5 5.1 1.6 Shreveport 52.7 3.2 3.0 Jackson 75.8 4.0 1.5 Birmingham 127.8 4.3 4.0 Little Rock 137.8 3.5 4.3 Biloxi 101.4 3.6 2.3 New Orleans 237.8 5.0 8.4 Baton Rouge 219.6 6.9 5.8 (a) Use the data to develop an estimated regression equation with the amount of television advertising as the independent variable. Let x represent the amount of television 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 before the blank. (Example: -300) = + x…Dixie 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 102.5 5.1 1.6 Shreveport 52.7 3.2 3.0 Jackson 75.8 4.0 1.5 Birmingham 127.8 4.3 4.0 Little Rock 137.8 3.5 4.3 Biloxi 101.4 3.6 2.3 New Orleans 237.8 5.0 8.4 Baton Rouge 219.6 6.9 5.8 (a) Use the data to develop an estimated regression equation with the amount of television advertising as the independent variable. Let x represent the amount of television 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 before the blank. (Example: -300) = + x…
- Dixie 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 102.3 5.0 1.6 Shreveport 51.9 3.0 3.2 Jackson 75.5 4.0 1.5 Birmingham 127.2 4.4 4.0 Little Rock 137.8 3.6 4.3 Biloxi 101.4 3.5 2.3 New Orleans 237.8 5.0 8.4 Baton Rouge 219.6 6.9 5.8 (a) Use the data to develop an estimated regression equation with the amount of television advertising as the independent variable. Let x represent the amount of television 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 before the blank. (Example: -300) = + x…Region Product Type Item Projected Sales 2022 (in millions) Projected Sales 2027 (in millions) Projected Sales 2032 (in millions) Americas Legacy A 9 0.8 6.4 Americas Legacy A 8.5 7.8 3.2 Americas Legacy A 13 11.2 8.6 Americas Legacy A 8 7.5 8.1 Americas Legacy A 10.2 14.1 8.3 Americas Legacy A 15.5 12.6 8.9 Americas Legacy A 10.8 11.4 7.6 Americas Legacy A 7.5 12.8 7.2 Americas Legacy A 4.4 10.3 6.6 Americas Legacy A 15.4 6.6 5 Americas Legacy A 11.2 9.3 4.5 Americas Legacy A 13.7 9.6 5.5 Americas Legacy A 9.6 11.7 5.6 Americas Legacy A 3.3 7.8 5.3 Americas Legacy A 14 6 4.3 Americas Legacy A 10.3 9.7 6.5 Americas Legacy A -3.9 9.4 5.4 Americas Legacy A 7.7 9.7 5.1 Americas Legacy A 5.7 6 1.7 Americas Legacy A -2 7.9 3.9 Americas Legacy A -3.3 3 1.1 Americas Legacy A 4.1 7.4 2 Americas Legacy A 13.4 7.1 2.8 Americas Legacy A 10.3 7.7 2.3 Americas Legacy A 1.6 5.1 1.1 Americas Legacy A 16.4 7.7 4.1 Americas Legacy A 7.4 6.2 3.1…School Type Cost 30 Year ROI Annual ROI Private $222,700.00 $1,786,000.00 7.70% Private $176,400.00 $1,758,000.00 8.40% Private $212,200.00 $1,714,000.00 7.80% Public $125,100.00 $1,535,000.00 9.10% Private $212,700.00 $1,529,000.00 7.40% Public $92,910.00 $1,501,000.00 10.10% Private $214,900.00 $1,485,000.00 7.30% Private $217,800.00 $1,483,000.00 7.20% Private $225,600.00 $1,444,000.00 7.00% Private $217,300.00 $1,442,000.00 7.10% Private $226,500.00 $1,441,000.00 7.00% Private $215,500.00 $1,438,000.00 7.20% Private $223,500.00 $1,428,000.00 7.00% Private $226,600.00 $1,414,000.00 7.00% Private $189,300.00 $1,397,000.00 7.50% Public $89,700.00 $1,382,000.00 9.90% Public $87,030.00 $1,376,000.00 10.00% Private $218,200.00 $1,343,000.00 6.90% Private $229,900.00 $1,339,000.00 6.70% Private $148,800.00 $1,321,000.00 8.10% Calculate the estimated ‘Annual % ROI’ when the ‘Cost’ (X) is $160,000. Test the hypothesis: o H0: β1 = 0 o Ha: β1…
- Education pays off, according to a snapshot provided by the Bureau of Labor Statistics.8 The median weekly earnings for six different levels of education are shown in the table:Educational Level Median Weekly Earnings ($)Less than a high school diploma 454High school graduate 626Some college, no degree 699Associate degree 761Bachelor’s degree 1025Master’s degree 1257Professional degree 1529Doctoral degree 1532Source: Bureau of Labor Statistics, Current Population…Dixie 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 1.4Shreveport 52.9 3.1 3.2Jackson 75.8 4.2 1.5Birmingham 127.2 4.5 4.3Little Rock 137.8 3.6 4Biloxi 102.4 3.5 2.3New Orleans 236.8 5 8.4Baton Rouge 220.6 6.8 5.9(a) Use the data to develop an estimated regression with the amount of television advertising as the independent variable.Let x represent the amount of television 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 before the blank. (Example: -300)= -43.258+ 39.367xTest for a significant relationship between television advertising and weekly gross revenue at…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…
- Region Product Type Item Projected Sales 2022 (in millions) Projected Sales 2027 (in millions) Projected Sales 2032 (in millions) Americas New B 21 14.7 10.3 Americas New B 18.7 15.7 12 Americas New B 19 15.4 11.3 Americas New B 15.1 17.4 11.1 Americas New B 16.7 14.4 10.8 Americas New B 20 15.8 11.5 Americas New B 20.4 14.4 9.6 Americas New B 21 14.8 11.8 Americas New B 19.7 17 13.2 Americas New B 19.3 12.9 10.8 Americas New B 18.4 15.4 10.6 Americas New B 15.1 13 10.5 Americas New B 18.5 13.5 9.2 Americas New B 16.2 10.5 7.9 Americas New B 19.7 12.8 8.7 Americas New B 14.6 10.8 8.1 Americas New B 20.4 13.3 7.7 Americas New B 15.1 12.7 9.4 Americas New B 19.8 15 9.8 Americas New B 14.8 11 8.5 Americas New B 16.6 10 8.6 Americas New B 12 12.3 8.3 Americas New B 19.8 13.3 7.5 Americas New B 17.8 15.2 9.9 Americas New B 20.1 11 8.1 Americas New B 15.9 10.8 8 Americas New B 11.7 12.9 7.8 Americas New B 20.4 13 7.7 Americas New B…Sales, Production, Direct Materials Purchases, and Direct Labor Cost Budgets The budget director of Gourmet Grill Company requests estimates of sales, production, and other operating data from the various administrative units every month. Selected information concerning sales and production for July is summarized as follows: a. Estimated sales for July by sales territory: Maine: Backyard Chef 310 units at $700 per unit Master Chef 150 units at $1,200 per unit Vermont: Backyard Chef 240 units at $750 per unit Master Chef 110 units at $1,300 per unit New Hampshire: Backyard Chef 360 units at $750 per unit Master Chef 180 units at $1,400 per unit b. Estimated inventories at July 1: Direct materials: Grates 290 units Stainless steel 1,500 lbs. Burner subassemblies 170 units Shelves 340 units Finished products: Backyard Chef 30 units Master Chef 32 units c. Desired inventories at July 31: Direct materials: Grates 340 units Stainless steel…Observation no TV budget ($ 1000) Radio budget ($ 1000) Newspaper budget ($ 1000) Sales quantity (1000 units) 99 289,7 42,3 51,2 25,4 100 135,2 41,7 45,9 17,2 101 222,4 4,3 49,8 11,7 102 296,4 36,3 100,9 23,8 103 280,2 10,1 21,4 14,8 104 187,9 17,2 17,9 14,7 105 238,2 34,3 5,3 20,7 106 137,9 46,4 59 19,2 107 25 11 29,7 7,2 108 90,4 0,3 23,2 8,7 A researcher collected statistics on the sales amount of a product in 120 different markets and the advertising budgets used in TV, radio and newspaper media channels for each of these markets. (Data set was adapted from https://www.kaggle.com/ishaanv/ISLR-Auto). The sales amount are expressed in 1000 units, and the budgets are expressed in 1000 $. The researcher wants to create a simple linear regression model by choosing one among the TV, radio and newspaper advertising budgets to explain the amount of sales.…