Here is a bivariate data set.xy60.621.42922.24.2 20.133.1 30.934.92917.8 22.627.1 25.338 26.742.522.526.331.25.61913.3 29.328.6 22.531.3 21.5-1 18.5Find the correlation coefficient and report it accurate to three decimal places.r=Check Answer

Answered: Image /qna-images/answer/f8f0cefa-36e0-4143-a298-c12d2498609d.jpg

Answered: Here is a bivariate data set. x y 60.6…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Here is a bivariate data set. y 48.1 27.5 68.3 74.8 59.4 45.5 68.2 83.5 77.5 88.1 76.1 83.6 71 76.3 53.8 52 89.2 108.8 76.6 101 76.7 70.3 80.1 91.6 75.3 87.1 62.5 70.8 Find the correlation coefficient and report it accurate to three decimal places. 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.
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 = %
Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. At the 0.05 significance level, does the data below show significant (linear) correlation between X and Y? x y 4 29.04 5 26.4 6 29.06 7 44.22 8 35.98 9 49.64 10 46.3 11 46.46 12 50.42 13 61.78 Yes, significant correlation No
You wish to determine if there is a negative correlation between the two variables at a significance level of a = 0.05. You have the following data set: y 22.1 43.8 24.9 37.2 25.4 33.4 32.5 42.3 23.3 56.5 22.6 54.7 28.9 25.2 What is the correlation coefficient for this data set? Round to 3 decimal places Find the test statistic, p-value, df, and critical value(s) for a Correlationt Test on this data. Round to 3 decimal places t = p-value = %3D df = tc = Your final conclusion is that... OThere is not enough evidence to show that there is a negative correlation between the two variables. There is enough evidence to show that there is a negative correlation between the two variables.
Here is a bivariate data set. y 67.2 40.9 76.7 38.2 69.8 48.5 64.9 47.9 76.2 40.6 67.3 38.7 79.7 37.3 90.3 24.9 76.6 32.6 Use technology to find the correlation coefficient and report it accurate to three decimal places.
You wish to determine if there is a linear correlation between the two variables at a significance level of α=0.05α=0.05. You have the following bivariate data set. x y 43.5 181.7 81.9 106.1 74.4 58.4 99 1.8 83.1 -6.3 29.5 150.5 62.6 44.7 66.4 54 60.5 142.9 66.7 48.7 60.3 41 61.7 171.8 What is the critival value for this hypothesis test?rc.v. = What is the correlation coefficient for this data set?r =
Here is a bivariate data set. y 30.4 1.4 28.5 37.7 34.4 46.8 47.9 29.8 23.3 6.3 46.3 32.9 56.6 64.6 42.1 35.1 39.7 41.4 58.5 69.9 Find the correlation coefficient and report it accurate to three decimal places. r =
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 = %
You wish to determine if there is a linear correlation between the two variables at a significance level of α=0.02α=0.02. You have the following bivariate data set. x y 25.2 64.3 15.3 79.6 39 49.8 30 75.1 14.8 82.2 15.7 69.9 4.3 92.5 17.9 84.4 13.4 77.6 18.4 74.4 25 78.1 24.4 65 23.7 69.7 10.9 89.1 31.3 65.3 20.6 82.4 20.4 81.1 29 68.2 13.9 92 8.7 88.4 5.3 93.4 What is the correlation coefficient for this data set? r = (report answer accurate to at least 3 decimal places)What is the p-value for this correlation coefficient? p-value =
Here is a bivariate data set. x y 62.4 32 62.2 26.6 47.7 56.6 120.5 -33.2 49 49.4 69.1 26.4 53.2 42.8 66 29.3 87 5.9 92.3 -2.2 70.3 23.2 67.6 32 69 26.4 86.8 6.5 51.2 47.6 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.
You wish to determine if there is a linear correlation between the two variables at a significance level of α=0.01α=0.01. You have the following bivariate data set. x y 43.5 15.5 31.7 -8 50 4.3 48.9 9.4 64.2 17.8 40.6 4.2 69.9 17.3 65.8 30.7 74.1 29.3 65.5 43.8 58.5 34.2 64.9 27.8 What is the critival value for this hypothesis test?rc.v. = What is the correlation coefficient for this data set?r = Your final conclusion is that... There is insufficient sample evidence to support the claim the there is a correlation between the two variables. There is sufficient sample evidence to support the claim that there is a statistically significant correlation between the two variables. Note: In your calculations, round both r and t to 3 decimal places in ALL calculations.
Here is a bivariate data set. x y 77.8 -13.6 62.8 -123.2 27.7 110.2 29.9 106.7 35.9 77.1 26.8 177.2 42.1 -135.4 54.6 -59.1 53.1 118.9 40.8 81.1 42.1 24.5 49.9 -41.1 17 73.5 45.1 213.1 28.4 -111.4 64.5 16.7 59 116.9 59.6 -91.7 52.9 35.2 60.5 -10.3 Find the correlation coefficient and report it accurate to three decimal places. r =

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Here is a bivariate data set. x y 60.6 21.4 29 22.2 4.2 20.1 33.1 30.9 34.9 29 17.8 22.6 27.1 25.3 38 26.7 42.5 22.5 26.3 31.2 5.6 19 13.3 29.3 28.6 22.5 31.3 21.5 -1 18.5 Find the correlation coefficient and report it accurate to three decimal places. r= Check Answer