A financial analyst is examining the relationship between stock prices and earnings per share. She chooses fifteen publicly traded companies at random and records for each the company's current stock...

A financial analyst is examining the relationship between stock prices and earnings per share. She chooses fifteen publicly traded companies at random and records for each the company's current stock price and the company's earnings per share reported for the past 12 months. Her data are given below, withx denoting the earnings per share from the previous year andy denoting the current stock price (both in dollars). A scatter plot of her data is shown in Figure 1. Also given is the product of the earnings per share and the current stock price for each of the fifteen stocks. (These products, written in the column labelled "xy", may aid in calculations.)

Extracted text: (ih dollars) 20.64 0.75 15.48 Figure 1 40.35 1.99 80.2965 36.68 1.11 40.7148 Send data to calculator v Send data to Excel What is the slope of the least-squares regression line for these data? Carry your intermediate computations to at least four decimal places and round your answer to at least three decimal places. (If necessary, consult a list of formulas.)


Extracted text: Earnings per Current stock price, y (in dollars) share, x ху (in dollars) 50.59 1.45 73.3555 16.26 0.50 8.13 3+ 38.32 1.55 59.396 32.82 1.62 53.1684 2.5+ 57.91 2.75 159.2525 2+ 59.28 2.22 131.6016 1.5+ 15.97 0.58 9.2626 25.44 0.95 24.168 28.80 0.94 27.072 0.5+ 29.70 1.34 39.798 10 30 50 60 42.48 0.92 39.0816 1.39 60.743 Earnings per share (in dollars) 43.70 Current stock price (in dollars)