The scatter chart in the following figure was created using sample data for profits and market capitalizations from a sample of firms in the Fortune 500. Click on the datafile logo to reference the data. DATA file
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Organize the data using the indicated type of graph. Describe any patterns. Use a pie chart to display the data. The data represent the results of an online survey that asked adults how they will invest their money in $2013 .$ (Adapted from CNN) $\begin{array}{llll}\text { Invest more in stocks } & 562 & \text { Hold on to more cash } & 288 \\ \text { Invest more in bonds } & 144 & \text { Invest the same as last year } & 461\end{array}$
Banhishikha S.
2. Listed below is data on profit and market capitalization for a sample of 15 different firms in the United States. Profits ($ millions) y Market Capitalization ($ millions) x 296.2 1,936.9 –25 1,171.8 4,085 55,135.8 6,558 97,417.2 12,525 95,198.9 3,394 53,579.7 442.8 12,466.3 633.1 8,894.3 3,528 65,872.4 2,698 25,661.3 1,200.65 19,854.7 11,987 195,643.8 641.8 10,447.8 5,043 66,695.5 5,206 53,558.4 a. Develop a scatter chart for the above data. What does this chart indicate about the relationship between market capitalization and profit? b. Use the data to develop an estimated regression equation that could be used to estimate a firm’s profit based on its market capitalization. What is the estimated regression model? c. What is the predicted profit for the market capitalization of 70,721.3 (million)? Excel
Lien L.
For the following exercises, use the graph in Figure 2.59, showing the profit, $y$ , in thousands of dollars, of a company in a given year, $x$ , where $x$ represents years since 1980. Draw a best-fit line for the plotted data.
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