Mathematics, 06.05.2020 02:42 georgehall3027
15. The following statement about correlation coefficient is true: I. The correlation coefficient and the slope of the regression line may have opposite signs. II. A correlation of 1 indicates a perfect cause-and-effect relationship between the variables. III. Correlations of +.87 and −.87 indicate the same degree of clustering around the regression line. (A) I only (B) II only (C) III only (D) I and II (E) I, II, and III
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The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms
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What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top
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15. The following statement about correlation coefficient is true: I. The correlation coefficient an...
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