2. A student took a random sample of 10 students who had enrolled in an accounting class last semester. He asked each to report his or her mark in the course and the total number of hours spent studying accounting. These data are listed here. Marks (y) Time spent Studying (x) 77 63 79 86 51 78 83 90 65 47 40 42 37 47 25 44 41 48 35 28 a. Calculate the covariance. b. Calculate the coefficient of correlation. c. Calculate the coefficient of determination. d. Determine the regression equation. e. What do the statistics calculated above tell vou about the relationship between marks and
2. A student took a random sample of 10 students who had enrolled in an accounting class last semester. He asked each to report his or her mark in the course and the total number of hours spent studying accounting. These data are listed here. Marks (y) Time spent Studying (x) 77 63 79 86 51 78 83 90 65 47 40 42 37 47 25 44 41 48 35 28 a. Calculate the covariance. b. Calculate the coefficient of correlation. c. Calculate the coefficient of determination. d. Determine the regression equation. e. What do the statistics calculated above tell vou about the relationship between marks and
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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Answer the question in the image attatched below
Transcribed Image Text:2. A student took a random sample of 10 students who had enrolled in an accounting class last
semester.
He asked each to report his or her mark in the course and the total number of hours spent
studying
accounting. These data are listed here.
Marks (y)
Time spent
Studying (x)
77 63 79 86 51 78 83 90 65 47
40 42 37 47 25 44 41 48 35 28
a. Calculate the covariance.
b. Calculate the coefficient of correlation.
c. Calculate the coefficient of determination.
d. Determine the regression equation.
e. What do the statistics calculated above tell you about the relationship between marks and
study time?|
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