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4. A college professor is interested in finding the strength of a relationship between the final exam grades of students enrolled in Algebra and Calculus classes. The data are given below. 97 Algebra (x) Calculus (y) 83 80 95 73 78 91 86 78 95 83 97 78 72 90 80

4. A college professor is interested in finding the strength of a relationship between the final exam grades of students enrolled in Algebra and Calculus classes. The data are given below. 97 Algebra (x) Calculus (y) 83 80 95 73 78 91 86 78 95 83 97 78 72 90 80

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 10E
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4. A college professor is interested in finding the strength of a relationship between the final exam grades of students enrolled in Algebra and Calculus classes. The data are given below. Algebra (x) Calculus (y) 83 78 97 95 80 83 95 97 73 78 78 72 91| 86 90 80 5. A medical researcher wants to determine how the dosage (in mg) of a drug affects the heart rate of the patient. The data for seven patients are given here. Drug dosage (x) 0.125 | 0.200 95 0.250 0.300 0.350 0.400 | 0.500 Heart rate (y) 90 93 92 88 80 82 Compute the following. A. Sxx, SSyy, SSxy B. Standard deviation errors C. Coefficient of Determination
Transcribed Image Text:4. A college professor is interested in finding the strength of a relationship between the final exam grades of students enrolled in Algebra and Calculus classes. The data are given below. Algebra (x) Calculus (y) 83 78 97 95 80 83 95 97 73 78 78 72 91| 86 90 80 5. A medical researcher wants to determine how the dosage (in mg) of a drug affects the heart rate of the patient. The data for seven patients are given here. Drug dosage (x) 0.125 | 0.200 95 0.250 0.300 0.350 0.400 | 0.500 Heart rate (y) 90 93 92 88 80 82 Compute the following. A. Sxx, SSyy, SSxy B. Standard deviation errors C. Coefficient of Determination
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