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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 15PPS
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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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