Here is a bivariate data set.xy74.8-4.575.650.859.859.281.110.274.399.4101.9-6.749.257.274.442.466.114.8Find the correlation coefficient and report it accurate to three decimal places.r =

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Answered: Here is a bivariate data set. x y 74.8…

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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x	y
74.8	-4.5
75.6	50.8
59.8	59.2
81.1	10.2
74.3	99.4
101.9	-6.7
49.2	57.2
74.4	42.4
66.1	14.8

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Here is a bivariate data set. x y 50.3 92.2 56 80.8 83.5 76.8 79.6 75.9 58.4 77.9 75.8 67.3 86.1 60.7 36.7 82.7 56.7 76.7 63 89.2 50.3 67.3 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.r² = %
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Years Height (cm) 0.9 0.79 2.0 3.98 2.1 4.81 4.0 11.41 4.8 29.72 5.2 24.2 6.2 26.81 9.0 91.47 9.1 129.45 Find the correlation coefficient and coefficient of determination for the data. Assess how well the line fits the data.
Here is a bivariate data set. x y 73.1 75.1 63 76.7 75.3 78.6 62.9 71.2 72.3 76.2 60.4 74.7 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.r² = %
Run a regression analysis on the following bivariate set of data with y as the response variable. x y 58.3 81.3 77.7 48.5 49.3 67.2 68.5 58.9 46.4 93.1 65.5 75.8 48.9 90.5 65.2 66.9 63.2 79.4 56.5 89.3 65.6 75.5 40.4 96.2 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 77.8 as the explanatory variable. Use a significance level of α=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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Based on the data shown below, calculate the correlation coefficient (to three decimal places) y 1 11.56 10.62 2 3 11.68 4 13.64 5 14.3 14.26 7 15.12 8 14.78 9 18.04
Run a regression analysis on the following bivariate set of data with y as the response variable. x y 57.9 -34.4 16.6 92 40.1 89 55.8 54.5 57.9 27.4 17.3 164.1 65.2 62.4 48.3 51.9 66.2 14.5 70.9 -39.2 57 -90.1 58.5 63 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 = %

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Here is a bivariate data set. x y 74.8 -4.5 75.6 50.8 59.8 59.2 81.1 10.2 74.3 99.4 101.9 -6.7 49.2 57.2 74.4 42.4 66.1 14.8 Find the correlation coefficient and report it accurate to three decimal places.