Here is a bivariate data set.xy75.861.296.15395.858.884.5103.271.988.482.761.250.7110.292.163.771.363.170.545.2Find the correlation coefficient and report it accurate to three decimal places.r =

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Answered: Find the correlation coefficient 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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x	y
75.8	61.2
96.1	53
95.8	58.8
84.5	103.2
71.9	88.4
82.7	61.2
50.7	110.2
92.1	63.7
71.3	63.1
70.5	45.2

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Here is a bivariate data set. x y 52 86.3 17.5 76.4 32 77.7 33.6 77.9 26.6 77 13.7 74.5 28 77.1 28.9 77.1 32.6 78.7 39.1 81.7 5.9 68.6 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 = %
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.r =
use the sample data to construct a scatterplot. Use the first variable for the x-axis. Based on the scatterplot, what do you conclude about a linear correlation? FORECAST AND ACTUAL TEMPERATURES The table lists actual high temperatures and the high temperatures that were previously forecasted for these same days. The table includes data for ten different days near the author’s home. What does the result suggest about the accuracy of five-day predicted high temperatures?
Here is a bivariate data set. x y 99.4 18.4 96.3 37.4 79 54.2 49.6 38.6 72 -66.4 60.9 234.6 88.4 83.6 69.4 16.8 101.2 -8.1 64.4 11.4 62.2 104.3 82.5 65.9 86.5 96.3 99.3 -38.9 76 91.8 86.3 96.1 Find the correlation coefficient and report it accurate to three decimal places.r = _______
Here is a bivariate data set. x y 34.4 71.1 41.8 48 31.5 80.6 27.6 87.2 37.5 52 31.1 81.7 30.3 71.1 32.4 77.3 38.2 62.4 43.7 61.5 48.3 64.1 37.1 66.2 40.7 76.7 43 57.7 31.2 89.4 29.7 71.9 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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Here is a bivariate data set. x y 20.9 34.2 31.4 144.9 44.3 84.7 55.4 79.8 58.9 50.8 68.7 -74.4 39.5 117.7 58.7 -117.6 71.6 -74.3 23.1 109 36.6 79.9 54.4 -33 62.2 -121 78.5 -81.9 77.8 -16.1 56.4 -103.7 This data can be downloaded as a *.csv file with this link: Download CSVFind 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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Which number below is representative of the largest correlation? r = -0.75 r = .05 r = -0.45 r = 0.65

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Find the correlation coefficient and report it accurate to three decimal places. r =