Question 9: Here is a bivariate data set.xy1516.129.476.514.9-153.423.620.421.5136.88.1117.51337.620.3270.78.5256.930.469.3Find the correlation coefficient and report it accurate to three decimal places.r = Here is a bivariate data set.Xy1516.129.476.514.9 -153.423.620.421.5 136.88.1117.51337.620.3270.78.5256.930.4 69.3Find the correlation coefficient and report it accurate to three decimal places.r =

Here data is given, We have to calculate correlation coefficient for the data. Correlation…

Answered: Here is a bivariate data set. X y 15…

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
15	16.1
29.4	76.5
14.9	-153.4
23.6	20.4
21.5	136.8
8.1	117.5
13	37.6
20.3	270.7
8.5	256.9
30.4	69.3

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The data below is 12 observations of Math SAT scores (x) and scores on Math placement test (y). Calculate the linear correlation coefficient, r. Enter your answers to two decimal places. Y 580 619 510 476 590 506 550 469 450 523 470 392 500 508 440 462 600 625 530 569 410 346 430 508 Question Help: Message instructor Submit Question Chp Ce %23 7 8. 9. W <6 64
Here is a bivariate data set. 35.9 78.4 35.5 73.3 38 44.8 40.7 47.5 37.4 55.9 32.4 73.7 29.7 73.5 Find the correlation coefficient and report it accurate to three decimal places. Question Help: Message instructor Submit Question 9MB du
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.
Perform rank correlation analysis on the following data set: x y -5 1.9 -4 0.9 -3.25 0.7 -2.55 -0.5 -1.85 -1.2 -0.9 -1.7 5.5511151231258E-17 0.7 0.8 1.5 1.55 1.6 2.35 -0.1 3.3 0.8 4.1 -1.1 5.1 -0.9 5.8 -0.8 6.7 0.7 What is the rank correlation coefficient? (Round to three decimal places.) What is the critical rho value at a 0.01 significance? Do we have correlation? Yes, the rank correlation coefficient is smaller (in absolute value) than the critical rho value. No, the rank correlation coefficient is larger (in absolute value) than the critical rho value. No, the rank correlation coefficient is smaller (in absolute value) than the critical rho value. Yes, the rank correlation coefficient is larger (in absolute value) than the critical rho value.
You wish to determine if there is a negative linear correlation between the age of a driver and the number of driver deaths. The following table represents the age of a driver and the number of driver deaths per 100,000. Use a significance level of 0.05 and round all values to 4 decimal places. Driver Age Number of Driver Deaths per 100,000 22 20 53 25 19 30 35 23 71 26 36 21 48 25 19 28 Ho: ρ = 0Ha: ρ < 0 Find the Linear Correlation Coefficient r = Find the p-value p-value = The p-value is Greater than αα Less than (or equal to) αα The p-value leads to a decision to Accept Ho Do Not Reject Ho Reject Ho The conclusion is There is a significant linear correlation between driver age and number of driver deaths. There is insufficient evidence to make a conclusion about the linear correlation between driver age and number of driver deaths. There is a significant positive linear correlation between driver age and number of driver deaths.…
Which of the following correlation coefficients indicate the strongest relationship between two variables? A .20 B .87 C .80 D -.95
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 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.
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Please answer all questions A biologist looked at the relationship between number of seeds a plant produces and the percent of those seeds that sprout. The results of the survey are shown below. Seeds Produced 60 57 40 44 45 58 54 48 Sprout Percent 54 53.2 65 59.4 66 49.8 51.4 64.8 Find the correlation coefficient: r=r= Round to 2 decimal places. The null and alternative hypotheses for correlation are:H0:H0: == 0H1:H1: ≠≠ 0 The p-value is: (Round to four decimal places) Use a level of significance of α=0.05α=0.05 to state the conclusion of the hypothesis test in the context of the study. There is statistically significant evidence to conclude that there is a correlation between the number of seeds that a plant produces and the percent of the seeds that sprout. Thus, the regression line is useful. There is statistically insignificant evidence to conclude that there is a correlation between the number of seeds that a plant produces and the percent of…
choose the correct answer Given the following X and Y variables. Determine the Pearson-r correlation value. (photo) a. 0.412 b. - 0.785 c. 0.248 d. - 0.293 What is the range of the given data set: 25, 19, 30, 12, 45, 11, 32, 49, 23, 36, 34 ? a. 49 b. 26 c. 38 d. 44 Thank you!!!
Here is a bivariate data set. y 32.8 83 44.1 88.9 28.5 70.7 18.4 42.4 20.1 51.6 29.9 51 26.8 64 42.6 86.8 25 48.1 22.7 40.3 28.3 72.4 -1.5 17.9 23.2 21.3 Find the correlation coefficient and report it accurate to three decimal places. r = Question Help: Message instructor Submit Question

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Here is a bivariate data set. X y 15 16.1 29.4 76.5 14.9 -153.4 23.6 20.4 21.5 136.8 8.1 117.5 13 37.6 20.3 270.7 8.5 256.9 30.4 69.3 Find the correlation coefficient and report it accurate to three decimal places. r =