As a CEO you wish to maximize the productivity of your workers. You are thinking

Question

As a CEO you wish to maximize the productivity of your workers. You are thinking about providing your employees with smartphones so they can be readily available to clients and increase sales. However, you are also concerned that your employees are just as likely to download apps that will distract them from their work, leading them to play games and update their social networking sites rather than focus on the job of pleasing clients. To test this you randomly select 6 employees for an experiment. You provide 3 with the new smart phone and the other 3 use their existing technology. The following chart shows their changes in sales. Based on this small sample, what is the correlation in percentage between smartphone and increase in sales? It may help to use the spreadsheet function CORREL to calculate the correlation. {Anthony, Smartphone: No; change in sales 130; Kira, Smartphone Yes; Change in Sales 50; Michael, Smartphone No; Change in Sales 150; Scarlett, Smartphone Yes; Change in Sales 120; Pete, Smartphone No; Change in Sales 40; Angela, Smartphone Yes; Change in Sales 40.}

Explanation / Answer

130 50 150 120 40 40 Correlation 0.724331

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