84.5%...you would enter 84.5 without the percent symbol.) 12 = % Based on the data, calculate the regression line (each value to three decimal places) y=D Predict what value (on average) for the response variable will be obtained from a value of 53. the explanatory variable. Use a significance level of a = 0.05 to assess the strength of the lin

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Run a regression analysis on the following bivariate set of data with y as the response variable.
y
89.6
43.4
83.8
36.7
52.8
19.3
61.5
31.8
82.9
32.5
89.7
40.9
68.9
23.9
63.5
31.7
53.2
5.7
87.1
45
52.8
26.3
76.4
35.8
Find the correlation coefficient and report it accurate to three decimal places.
r =
What proportion of the variation in y can be explained by the variation in the values of x? Report
answer as a percentage accurate to one decimal place. (If the answer is 0.84471, then it would be
84.5%...you would enter 84.5 without the percent symbol.)
r2 =
%
Based on the data, calculate the regression line (each value to three decimal places)
y =
X +
Predict what value (on average) for the response variable will be obtained from a value of 53.1 as
the explanatory variable. Use a significance level of a
0.05 to assess the strength of the linear
correlation.
What is the predicted response value? (Report answer accurate to one decimal place.)
y =
Transcribed Image Text:Run a regression analysis on the following bivariate set of data with y as the response variable. y 89.6 43.4 83.8 36.7 52.8 19.3 61.5 31.8 82.9 32.5 89.7 40.9 68.9 23.9 63.5 31.7 53.2 5.7 87.1 45 52.8 26.3 76.4 35.8 Find the correlation coefficient and report it accurate to three decimal places. r = What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a percentage accurate to one decimal place. (If the answer is 0.84471, then it would be 84.5%...you would enter 84.5 without the percent symbol.) r2 = % Based on the data, calculate the regression line (each value to three decimal places) y = X + Predict what value (on average) for the response variable will be obtained from a value of 53.1 as the explanatory variable. Use a significance level of a 0.05 to assess the strength of the linear correlation. What is the predicted response value? (Report answer accurate to one decimal place.) y =
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