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An article gave the following data on median worker pay [in thousands ofdollars) and the 1syear percent change in stock price for the 13 highest paying companies in the united states. Median percent change Company Wnrker Pay in SlodK price Company 1 134.7 21 5 Company 2 132.2 92.1 Company a 125.0 34 a company 4 122.5 52.3 company 5 122.5 41 E Company a 121.2 2 7 Company7 121.2 5.1 Companye 119.0 30 2 company9 use 7.3 company 10 115.0 37 5 Company 11 117.5 15 E Company 12 117.4 21.5 Company 13 115.1 414 5 IA USE SA (a) construct a scatterplot for these data. Percent change Percent change Percent change Percent change in Stuck Pn'ce in Stuck Pn'ce in Stuck more in Stuck Price Median Median Worker Worker 720 115 120 125 130 135 140 720 115 120 125 130 135 140 720 115 120 125 130 155 140 Pay Pay Pay 0 740 c @O 740 o @O 740 c @O 540 c G) 0:) Calculate the value of the correlation cae'icient. (Round your answer to four decimal places.) S interpret the correlation cueFcient. Q There is a weak. positive association between the percent change in stock price and median worker pay. 0 There is a moderate, negative association between the percent change in stock price and median worker pay. 0 There is a moderate, positive association between the percent change in stock price and median worker pay. 0 There is no association between the percent change in stock price and median wurkef pay 0 There is a weak, negative associ tion between the percent change in slack price and median worker pay. (c) The article states that companies that pay more are seeing a payaff in their stock performance. is this conclusion justied based on these data? Btplaill. O The conclusion is not justied based on these data because there is a negative association suggesting that in general, as median worker pay increases, the percent change in stock price decreases. O The conclusion is justied based on these data because there is a negative association suggesting that in general, as median worker pay increases, so does the percent change in slack price. 0 The conclusion is not justied based on these data because there is no association between the variables. 0 The conclusion isjustied based on these data because there is a positive association suggesting that in general, as median worker pay increases, so does the percent change in stock price. 0 The conclusion is not justied based on these data because there is a positive association suggesting that in general, as median worker pay increases, the percent change in stuck price decreases. (d) is it reasonable to generalize conclusions based on these data to the population of all companies in the United States? Explain why or why not Q The companies represent a random sample of companies from the population of all u.5. companies. Therefore, it is reasonable to generalize the results to all companies the u.5 O The companies do not represent a random sample of companies lrom the population ofall U.5 companies Therefore, it is reasonable to generalize the results to all companies in the us. 0 The companies do not represent a random sample of companies lrom the population ofall U.5 companies Therefore, it is not reasonable to generalize the results to all companies in the U5. 0 The companies represent a random sample of companies from the population of all u.s. compani s. Therefore, it is not reasonable to generalize the results to all companies in the u.s. O The strength the aflhe associatron is strong enough to allow one to generalize the results to all companies in the u s
