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True or False 3. A large correlation coetticient means a high probability ofa cause and effect relationship T F 5. Correlation coefcients can indicate whether or not a test is reliable. T F The multiple choice questions on this assignment are with [/2 point each. 7. In a bivariate distribution both variables must be measuring the same thing; both variables have the same number ofscores: there are exactly two scores: all of the other alternatives are correct. 50?\"? XX l 4 2 5 3 6 14. Given below are lower and upper limits of areas of the normal curve. Choose the limits that mark all the gm proportion of the normal curve. Wouldn't it be great it'tl was a picture of the normal curve with percentages associated with each part in your notes? A. -2to-1; B. -lt00; C. 2103; D. above 3. 15. Among the legendary ranches in North America such as the Pitchfork Land and Cattle Company and the Adams Ranch, some authors include the mythical Stats Bar-X Ranch. The Stats Bar-X, known for its century-old horse breeding program, is famous for big horses. The measures below, in hands, are a sample of heights. (A hand is equal to 4 inches.) 16 19 17 16 18 18 15 20 I7 18 14 16 17 19 15 17 A. Is a measurement oil] \"2 hands, the height of the world's largest horse, an outlier at the Stats Bar-X? (1 point}. Show your work. B. Is 14 hands an outlier? Explain. (1 point) 16. Look at the three sets of distributions below and without doing any calculations, label them as positive or negative correlations. (1.5 points) a. X Y b. X Y e. X Y 10 6 2| 6| 6 l2 8 9 18 47 5 ll 7 7 17 32 5 10 7 8 14 21 3 10 5 10 13 10 2 4 2 12 13 2 2