**Problem Statement:**Compute the linear correlation coefficient for the data below, rounding to three decimal places.| x | 0 | 2 | 9 | 6 | 4 | 3 | 5 | 7 | 8 | 1 ||---|---|---|---|---|---|---|---|---|---|---|| y | -2 | 0 | 17 | 9 | 6 | 2 | 7 | 11 | 14 | 0 |**Options:**- A. 0.792- B. 0.819- C. 0.881- D. 0.990**Instructions:**Calculate the linear correlation coefficient to determine the strength and direction of the linear relationship between variables x and y. Choose the correct answer from the options provided. A medical researcher wishes to determine if there is a relationship between the number of prescriptions written by pediatricians and the ages of the children for whom the prescriptions are written. She surveys all the pediatricians in a geographical region to collect her data. What is the response variable?- **A.** Number of children for whom prescriptions were written- **B.** Age of the children for whom prescriptions were written- **C.** Number of prescriptions written- **D.** Pediatricians surveyed

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Make sure to state which answer goes to which graph because I can get confused.
Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? Row 1 20 23 34 44 51 69 73 Row 2 148 148 114 131 124 185 112 Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r= (Round to three decimal places as needed.) Calculate the correlation coefficient r, letting Row 2 represent the x-values and Row 1 the y-values. r= (Round to three decimal places as needed.) What effect does switching the variables have on the correlation coefficient? The correlation coefficient when the x-values and y-values are switched.
Compute the linear correlation coefficient for the data below, rounding to three decimal places. - 10 - 1 X y - 11 - 3 A. 0.792 B. 0.990 C. 0.819 O D. 0.881 -9 -1 -2 16 -5 8 -7 5 -8 -6 1 6 -4 10 - 3 13
The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Calculate the correlation coefficient, r. Temperatur, x 70 83 89 88 86 96 73 98 78 Number of absences, y 6 10 13 13 11 18 7 18 8 OA. 0.819 OB. 0.890 OC. 0.881 OD. 0.980
Construct a scatter diagram using the data table to the right. This data is from a study comparing the amount of tar and carbon monoxide (CO) in cigarettes. Use tar for the horizontal scale and use carbon monoxide (CO) for the vertical scale. Determine whether there appears to be a relationship between cigarette tar and CO. Full data set D CO 15 10 со Tar 10 Tar Tar CO 16 10 2 3 9. 8 11 15 16 15 18 10 1 1 14 7 12 11 18 17 16 7 11 9. Construct a scatter diagram. ОА. В. С. ACO 20- 16 125 ACO 20- ACO 20- 163 123 83 4= ACO 20- 163 125 8- 165 125 85 8= 4= 45 Tar E 4- Tar Tar Tar 0 0 4 8 12 16 20 0- 0- 0 4 8 12 16 20 0 4 8 12 16 20 Ó 4 8 12 16 20 Is there a relationship between cigarette tar and CO? A. Yes, as the amount of tar increases the amount of carbon monoxide decreases. B. Yes, as the amount of tar increases the amount of carbon monoxide also increases. C. No, there appears to be no relationship. 出
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This Question: 1 pt 5 of 8 (3 complete) This Quiz: 8 pts The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Calculate the correlation coefficient, r. Temperatur, x 70 83 89 88 86 96 73 98 78 Number of absences, y - 1 3 6 6 4 11 0 11 1 O A. 0.819 O B. 0.980 O C. 0.881 O D. 0.890 Click to select your answer. Review for the Midterm Exam Part a O search
Find the Pearson product-moment correlation coefficient of the data set shown below:Where the car price is Y and car age is the X.Note: Round off your answers to four decimal places. No spaces in between characters.Example format for the Final answer: r=0.12
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Calculate the correlation coefficient, r, for the data below. x 1 3 10 7 5 4 6 8 9 2 y −18 −16 1 −7 −10 −14 −9 −5 −2 −16 A. 0.792 B. 0.990 C. 0.881 D. 0.819

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Compute the linear correlation coefficient for the data below, rounding to three decimal places. 4 X y 0 -2 OA. 0.792 OB. 0.819 OC. 0.881 D. 0.990 2 ΟΝ 9 17 6 9 6 3 2 5 7 7 11 8 14 10₁ 0