In a research project to determine the relationship between the number of test review problems solved and students’ grades for the test, 6 students were randomly chosen and below data was collected x (number of review problems solved) y (students grades in %) 10 82 12 85 5 45 9 83 15 87 11 86 a) Draw a scatter plot for the data; b) Find the equation of the line of best fit. Draw the line of best fit on the scatter plot diagram. Round off the coefficients to one decimal place; show all calculations.
In a research project to determine the relationship between the number of test review problems solved and students’ grades for the test, 6 students were randomly chosen and below data was collected x (number of review problems solved) y (students grades in %) 10 82 12 85 5 45 9 83 15 87 11 86 a) Draw a scatter plot for the data; b) Find the equation of the line of best fit. Draw the line of best fit on the scatter plot diagram. Round off the coefficients to one decimal place; show all calculations.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
- In a research project to determine the relationship between the number of test review problems solved and students’ grades for the test, 6 students were randomly chosen and below data was collected
x (number of review problems solved) |
y (students grades in %) |
10 |
82 |
12 |
85 |
5 |
45 |
9 |
83 |
15 |
87 |
11 |
86 |
a) Draw a scatter plot for the data;
b) Find the equation of the line of best fit. Draw the line of best fit on the
c) Find the coefficient of determination. Write a statement of interpretation for it.
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