3. A study was conducted to determine whether there exists a relationship between the length of time (in hours) a senior high school student spends reviewing his or her lesson a week before the final examination and his or her grade in statistics and probability. Eight randomly selected senior high school students provided the following data. x (hours) 10 13 25 18 12 13 5 21 80 85 95 89 81 84 y 78 a. Construct a scatter plot for the given data. b. Draw the regression line that best fits the data. c. Find the slope and y-intercept of the regression line. Interpret the results. 88
3. A study was conducted to determine whether there exists a relationship between the length of time (in hours) a senior high school student spends reviewing his or her lesson a week before the final examination and his or her grade in statistics and probability. Eight randomly selected senior high school students provided the following data. x (hours) 10 13 25 18 12 13 5 21 80 85 95 89 81 84 y 78 a. Construct a scatter plot for the given data. b. Draw the regression line that best fits the data. c. Find the slope and y-intercept of the regression line. Interpret the results. 88
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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