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Need help with these ones Find the value of the linear correlation coefficient r. 12) The paired data below consist of the temperatures on randomly

Need help with these ones

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Find the value of the linear correlation coefficient r. 12) The paired data below consist of the temperatures on randomly chosen days and the amount a 12) certain kind of plant grew (in millimeters): Temp 62 76 50 51 71 46 51 44 79 Growth 36 39 50 13 33 33 17 6 16 (6 POINTS) A) 0 B) 0.196 C) -0.210 D) 0.256 Find the coefficient of determination 13) The test scores of 6 randomly picked students and the numbers of hours they prepared are as 13) follows: Hours | 5 10 4 6 10 9 Score 64 86 69 86 59 87 Find the coefficient of determination. (6 POINTS) A) -0.2242 B) 0.6781 C) 0.0503 D) 0.2242 Use the given data to find the equation of the regression line. 14) Two different tests are designed to measure employee productivity and dexterity. Several 14) employees are randomly selected and tested with these results. Productivity 23 25 28 21 21 25 | 26 | 30 34 36 Dexterity 49 53 59 42 47 53 55 63 67 75 (6 POINTS) A) y = 1.91 + 5.05x B) y = 10.7 + 1.53x C) y = 2.36 - 2.03x D) y = 5.05 + 1.91x

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