Answer the following questions about the relationships bvariables and the values of r, the sample correlation coesame response may be the correct answer for more tharC(a) For which data set is the sample correlation coefficient r closest to 1?(Choose one)the x, y data set(b) the u, v data setthe w, t data setthe m, n data set(c) For which data set is the sample correlation coefficient r closest to 0?(Choose one)es the strongest negative linear relationship between its(d) For which data set is the sample correlation coefficient r equal to -1?(Choose one) Below are four bivariate data sets and their scatter plots. (Note that allof the scatter plots are displayed with the same scale.) Each data set ismade up of sample values drawn from a population.1.0 3.12.0 4.111-210-843.0 3.7 7+64.0 5.25.0 4.66.0 6.77.0 6.18.0 7.69.0 7.010.0 8.2 Figure 143- X11-'1049-847-W1.0 3.82.0 6.03.0 7.04.0 4.65.0 5.06.0 8.27.0 5.68.0 6.89.0 8.810.0 7.7 Figure 3(Choose one)UV1.0 8.0 10+2.0 7.13.0 7.64.0 6.3(Choose one)5.0 6.66.0 4.57.0 5.18.0 3.49.0 4.510.0 2.7 Figure 2(a) For which data set is the sample correlation coefficient r closest to 1?(Choose one) ▼948- X7+2.0 5.23.0 10.01.0 7.5 10+9-8-7+6-5-4342.14(Choose one)443-4.0 6.15.0 1.86.0 5.07.0 9.18.0 3.79.0 9.810.0 6.9 Figure 4(b) Which data set indicates the strongest negative linear relationship between itstwo variables?Answer the following questions about the relationships between pairs ofvariables and the values of r, the sample correlation coefficient. Thesame response may be the correct answer for more than one question.(c) For which data set is the sample correlation coefficient r closest to 0?X(d) For which data set is the sample correlation coefficient r equal to -1?XXEspañolXX5

It is known that the values of correlation coefficient lies between -1 and 1. Note : According to…

Answered: (a) For which data set is the sample…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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What are the possible values for the correlation coefficient? O-1srs1 O 0srs1 O-1, -0.75, -05, -0 25, 0, 0 25, 0.5, 0.75, 1 Or21
Example 3. Calculate Correlation Coefficient from the data given below by direct method i.e., without taking deviations of items from actual or assumed mean Roll No. of Students : Marks in Maths : Marks in Stat : 2 3 4. 48 35 17 23 47 45 20 40 25 45.
State which correlation coefficient (pears, spearman, point-biased, or phi) should be used given the following information Both factors are interval or ratio scale. Both factors are dichotomous One factor is dichotomous, and the other factor is continuous Both factors are ranked
Fifty-four wild bears were anesthetized, and then their weights and chest sizes were measured and listed in a data set. Results are shown in the accompanying display. Is there sufficient evidence to support Correlation Results the claim that there is a linear correlation between the weights of bears and their chest sizes? When measuring an anesthetized bear, is it easier to measure chest size than weight? If so, does it appear that Correlation coeff, r: 0.959614 a measured chest size can be used to predict the weight? Use a significance level of = 0.05. Critical r: +0.2680855 P-value (two tailed): 0.000 Но: Р H1:P (Type integers or decimals. Do not round.) Identify the correlation coefficient, r. (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as needed.) O A. There is one critical value at r= . B. There are two critical values at r= ± Is there sufficient evidence to support the claim that there is a linear correlation between…
The data obtained in a study on the number of absences in virtual class and the final grades of seven randomly selected students from a mathematics class. The data are shown below. To determine the significance of the correlation coefficient at 0.05 level of significance, what is the calculated or computed value (CV)? Final grade y Number of absences x in a virtual class 6. 82 86 15 43 9. 74 58 5 90 78 а. -1.59 b. -2.32 с. 2.32 d. 1.59
first picture is background information
Suppose we have the following paired observations of variables X and Y: X Y 8 0 4 10 12 20 Draw the scatter plot comparing X and Y. Calculate the values of the sample covariance and sample correlation between X and Y. Using this information, how would you characterize the relationship between X and Y ?
(b)For which data set is the sample correlation coefficient r equal to -1? CHOOSE ONE: u, v data set w, t data set none of the data sets (m, n data set & x, y data set answer is wrong)

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