4. The number of hours 6 students spent for a test and their scores on that test are shown below: Hours Spent Studying, x Test Score, y 0 41 A. weak negative O B. weak positive O C. strong positive D. strong negative (c) Find the regression equation: y = 2 X+ 48 2 (d) Predict the value of y for x = 3: (e) Predict the value of y for x = 4.5: 51 (a) Find the coefficient of correlation, r: (3 decimals) (b) The type of correlation between Hours Spent Studying and Test Scores is: 4 (1 decimal) 58 (3 decimals for both values) (1 decimal) 5 62 6 69
4. The number of hours 6 students spent for a test and their scores on that test are shown below: Hours Spent Studying, x Test Score, y 0 41 A. weak negative O B. weak positive O C. strong positive D. strong negative (c) Find the regression equation: y = 2 X+ 48 2 (d) Predict the value of y for x = 3: (e) Predict the value of y for x = 4.5: 51 (a) Find the coefficient of correlation, r: (3 decimals) (b) The type of correlation between Hours Spent Studying and Test Scores is: 4 (1 decimal) 58 (3 decimals for both values) (1 decimal) 5 62 6 69
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 17HP
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The number of hours 6 students spent for a test and their scores on that test are shown below:
Transcribed Image Text:4. The number of hours 6 students spent for a test and their scores on that test are shown below:
Hours
Spent
Studying, x
Test Score,
y
0
41
A. weak negative
B. weak positive
C. strong positive
D. strong negative
(c) Find the regression equation:
y =
2
X +
48
2
(d) Predict the value of y for x = 3:
(e) Predict the value of y for x = 4.5:
51
(a) Find the coefficient of correlation, r:
(3 decimals)
(b) The type of correlation between Hours Spent Studying and Test Scores is:
4
(1 decimal)
58
(3 decimals for both values)
(1 decimal)
5
62
6
69
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VIEWStep 3: (b) Interpretation of correlation coefficient.
VIEWStep 4: (c) Calculation for regression equation
VIEWStep 5: (d) Calculation for predication of y when x=3
VIEWStep 6: (e) Calculation for predication of y when x=4.5
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