Questions from Business Statistics


Q: Retail chain Kroger has more than 2700 locations and is the largest

Retail chain Kroger has more than 2700 locations and is the largest supermarket in the United States based on revenue. Kroger has invested heavily in data, technology, and analytics. Feeding predictiv...

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Q: The following data show the annual revenue ($ millions) and the

The following data show the annual revenue ($ millions) and the estimated team value ($ millions) for 30 Major League Baseball teams (Forbes website). // a. Develop a scatter diagram with Revenue on...

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Q: The National Football League (NFL) records a variety of performance

The National Football League (NFL) records a variety of performance data for individuals and teams. To investigate the importance of passing on the percentage of games won by a team, the following dat...

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Q: A sales manager collected the following data on annual sales for new

A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons. a. Develop a scatter diagram for these d...

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Q: The American Association of Individual Investors (AAII) On-Line

The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with discount brokers. As part of the survey, members were asked to rate the q...

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Q: According to Franchise Business Review, over 50% of all food

According to Franchise Business Review, over 50% of all food franchises earn a profit of less than $50,000 a year. In a sample of 142 casual dining restaurants, 81 earned a profit of less than $50,000...

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Q: David’s Landscaping has collected data on home values (in thousands of

David’s Landscaping has collected data on home values (in thousands of $) and expenditures (in thousands of $) on landscaping with the hope of developing a predictive model to help marketing to potent...

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Q: The estimated regression equation for a model involving two independent variables and

The estimated regression equation for a model involving two independent variables and 10 observations follows. ŷ = 29.1270 + .5906 x1 + .4980 x2 a. Interpret b1 and b2 in this estimated regression eq...

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Q: Major League Baseball (MLB) consists of teams that play in

Major League Baseball (MLB) consists of teams that play in the American League and the National League. MLB collects a wide variety of team and player statistics. Some of the statistics often used to...

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Q: In exercise 1, the following estimated regression equation based on 10

In exercise 1, the following estimated regression equation based on 10 observations was presented. ŷ = 29.1270 + .5906 x1 + .4980 x2 The values of SST and SSR are 6724.125 and 6216.375, respectively....

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