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TABLE 2.6 Snake River Data for Problem 2.7 Y Y 23.1 10.5 32.8 16.7 31.8 18.2 32.0 17.0 30.4 16.3 24.0 10.5 39.5 23.1 24.2 12.4 22.8 52.5 24.9 37.9 30.5 14.1 25.1 12.9 12.4 8.8 35.1 17.4 31.5 14.9 21.1 10.5 27.6 16.1

TABLE 2.6 Snake River Data for Problem 2.7 Y Y 23.1 10.5 32.8 16.7 31.8 18.2 32.0 17.0 30.4 16.3 24.0 10.5 39.5 23.1 24.2 12.4 22.8 52.5 24.9 37.9 30.5 14.1 25.1 12.9 12.4 8.8 35.1 17.4 31.5 14.9 21.1 10.5 27.6 16.1

MATLAB: An Introduction with Applications
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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TABLE 2.6 Snake River Data for Problem 2.7 Y Y 23.1 10.5 32.8 16.7 31.8 18.2 32.0 17.0 30.4 16.3 24.0 10.5 39.5 23.1 24.2 12.4 52.5 24.9 37.9 22.8 30.5 14.1 25.1 12.9 12.4 8.8 35.1 17.4 31.5 14.9 21.1 10.5 27.6 16.1 For the above data and computer software, find Draw scatter plot to determine the regression model is linear or not? (i) If the regression model is linear Compute estimates of the slope and the intercept for the regression of Y on X. (iii) Draw the fitted line on your scatterplot. (iv) Compute the linear regression (v) Compute the t-tests for the hypotheses that By = 0 and that B =0 and find the appropriate p-values using two-sided tests. (vi) Obtain the analysis of variance table and F-test for regression. (vii) Obtain a 99% confidence interval for B, from the data. (vii) Give the value of the coefficient of determination, and explain its meaning.
Transcribed Image Text:TABLE 2.6 Snake River Data for Problem 2.7 Y Y 23.1 10.5 32.8 16.7 31.8 18.2 32.0 17.0 30.4 16.3 24.0 10.5 39.5 23.1 24.2 12.4 52.5 24.9 37.9 22.8 30.5 14.1 25.1 12.9 12.4 8.8 35.1 17.4 31.5 14.9 21.1 10.5 27.6 16.1 For the above data and computer software, find Draw scatter plot to determine the regression model is linear or not? (i) If the regression model is linear Compute estimates of the slope and the intercept for the regression of Y on X. (iii) Draw the fitted line on your scatterplot. (iv) Compute the linear regression (v) Compute the t-tests for the hypotheses that By = 0 and that B =0 and find the appropriate p-values using two-sided tests. (vi) Obtain the analysis of variance table and F-test for regression. (vii) Obtain a 99% confidence interval for B, from the data. (vii) Give the value of the coefficient of determination, and explain its meaning.
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