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Check Yourself! Solve the given problem: 1. In an attempt to assess the effect of the length of time spent in using social media to the academic performance of the student, a survey was conducted to ten randomly selected students to determine the number of minutes per week using social media and their scores in a department examination in mathematic which consists of a 50-item test. The data are as follows: Minutes spent using social media per week (x) Score in the department exam (y) 30 45 45 48 60 42 120 40 180 38 200 43 240 20 300 29 320 35 400 15 a. Compute for the correlation coefficient r. b. Compute for the value of m and b. c. Form the regression equation

Check Yourself! Solve the given problem: 1. In an attempt to assess the effect of the length of time spent in using social media to the academic performance of the student, a survey was conducted to ten randomly selected students to determine the number of minutes per week using social media and their scores in a department examination in mathematic which consists of a 50-item test. The data are as follows: Minutes spent using social media per week (x) Score in the department exam (y) 30 45 45 48 60 42 120 40 180 38 200 43 240 20 300 29 320 35 400 15 a. Compute for the correlation coefficient r. b. Compute for the value of m and b. c. Form the regression equation

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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Check Yourself! Solve the given problem: 1. In an attempt to assess the effect of the length of time spent in using social media to the academic performance of the student, a survey was conducted to ten randomly selected students to determine the number of minutes per week using social media and their scores in a department examination in mathematic which consists of a 50-item test. The data are as follows: Minutes spent using social media per week (x) Score in the department exam (y) 30 45 45 48 60 120 180 200 240 300 320 400 a. Compute for the correlation coefficient r. b. Compute for the value of m and b. c. Form the regression equation 42 40 38 43 20 29 35 15
Transcribed Image Text:Check Yourself! Solve the given problem: 1. In an attempt to assess the effect of the length of time spent in using social media to the academic performance of the student, a survey was conducted to ten randomly selected students to determine the number of minutes per week using social media and their scores in a department examination in mathematic which consists of a 50-item test. The data are as follows: Minutes spent using social media per week (x) Score in the department exam (y) 30 45 45 48 60 120 180 200 240 300 320 400 a. Compute for the correlation coefficient r. b. Compute for the value of m and b. c. Form the regression equation 42 40 38 43 20 29 35 15
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