HHere is a bivariate data set.X102.884.379.2 -25.8119.763.796.1 42.571.6-13.267.3159.5-27.595.2 78.277.66.779.45257.53.56344.970.382.859.7-286.6-37.6y89.673Find the correlation coefficient and report it accurate to three decimal places.r=Submit Question

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Answered: Here is a bivariate data set. X y 102.8…

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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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 = %
The following set of data represents the number of orders filled by a national-chain restaurant during a two week period. Construct a five number summary for the the data. 66, 75, 68, 89, 86, 73, 67, 75, 75, 82, 85, 74, 67, 61 (Round to the nearest hundredth, if needed). Min _________________ Lower Quartile _________________ Median __________________ Upper Quartile _________________ Maximum __________________ What is the range and the interquartile range (IQR)? Range __________________ Interquartile Range (IQR) ___________________
Here is a bivariate data set. y 54.7 71.7 56 32.8 82.5 79.6 49.7 25.4 73.2 88.1 71.4 78.7 81.1 85.8 39.7 26.5 Find the correlation coefficient and report it accurate to three decimal places. r =
The following bivariate data set contains an outlier. x y 33.3 -236 48 2775.5 35.8 113.6 37.2 -847.7 36.7 -771.2 27.9 -497.6 42.1 647.7 26.2 1112.5 17.1 -912.3 62.5 -1162.1 33.6 -423.5 48.9 18.3 32.4 -513.2 45.2 1011.7 198.7 -1199 This data can be downloaded as a *.csv file with this link: Download CSVWhat is the correlation coefficient with the outlier?rw = What is the correlation coefficient without the outlier?rwo = Would inclusion of the outlier change the evidence for or against a significant linear correlation? No. Including the outlier does not change the evidence regarding a linear correlation. Yes. Including the outlier changes the evidence regarding a linear correlation.
re is a bivariate data set. x y 24.8 12.9 35.2 39.9 -1.9 -21 49.5 39.4 29 35.7 34.5 23.8 25.8 12.3 48.7 85.2 23 3.1 23.4 22.7 22.9 3.2 41.7 41.2 36.4 4.9 21.3 23.4 -0.7 5.5 34.8 79.7 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 = %
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 = %
Here is a bivariate data set in which you believe y to be the response variable. x y 57.3 72.6 45.4 53.7 42.4 59.5 49.3 61.2 146.9 66.9 31.7 38.4 43.7 54.3 49.9 64.2 32.5 48.5 40.4 56.5 Make a scatter plot of this data. Which point is an outlier?(Enter as an ordered pair.)Find the regression equation for the data set without the outlier. (Enter as an equation in slope-intercept form with parameters rounded to three decimal places.)Find the regression equation for the data set with the outlier. (Enter as an equation in slope-intercept form with parameters rounded to three decimal places.)
Based on the line of best fit for the data below, select which choice best predicts the y-value when the x-value is 10. -80 -75 -70 -65 -60 -55- -50+ -45- -40- -35 -30- -25 -20+ -15 -10 -5- 0 O O O O 96 80 91 85 8 10 11 12
Here is a bivariate data set. X y 69 73.4 69.1 64.9 67.9 69.3 81.3 65.1 66.1 71.1 65.5 70.3 51.9 85.9 35 70.8 53.2 66.6 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 in which you believe y to be the response variable. x y 75 22.7 87.9 -17.6 54.3 22.8 58.5 42.6 53.6 71.4 -188.9 67.9 55.7 63.2 26.4 72.5 83.4 -14.4 47.2 39.1 46.7 67.6 66.7 24.4 82.7 -0.8 63.2 22.8 Make a scatter plot of this data. Which point is an outlier?(Enter as an ordered pair.)Find the regression equation for the data set without the outlier. (Enter as an equation in slope-intercept form with parameters rounded to three decimal places.)Find the regression equation for the data set with the outlier. (Enter as an equation in slope-intercept form with parameters rounded to three decimal places.)

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Here is a bivariate data set. X y 102.8 89.6 84.3 73 79.2 -25.8 119.7 63.7 96.1 42.5 71.6 -13.2 67.3 1 59.5 -27.5 95.2 78.2 77.6 6.7 79.4 52 57.5 3.5 63 44.9 82.8 -2 -37.6 70.3 59.7 86.6 Find the correlation coefficient and report it accurate to three decimal places. r =