The linear coefficient of correlation, a measure of the relatedness of two variables is defined by r= m(s, /s), where s, and s, are the standard deviations of the X-values and y-values, respectively. Compute r for the given data. 3 7 5 10 6 7 3 8 y 14 11 10 7 8 12 9 10 7 (Round to the nearest thousandth as needed.)

Q: Which of the following correlation coefficients (r) shows the strongest relationship? o 0.10 o…

A: Higher the magnitude (ignoring the sign) of correlation coefficient, stronger the relationship.

Q: The data below is 8 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A: Correlation:   A statistical method that is applied between the pairs of variables to check how the…

Q: If r,, = 45, r, = .37 and r, , = .52 23 13 Find the Coefficients of multiple correlations.

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Q: Here is a bivariate data set. x y 10 246 2 122 54 36 31 -27 -23 7 18 -9 -3 241

A: The table with the calculations is shown below:

Q: Calculate Coefficient of Concurrent Deviation from the following data: X: 1 2 3 5 6. y: 25 16 5 1

A: Solution:

Q: Y g e ra 38. If covariance between X and Y variables is 10 and the variances of X and Y are…

A:

Q: y 8 -37 28 -38 68 -24 19 77 68 -69 50 -53 28 190 26 165 17 124 Find the correlation coefficient and…

A: We have given that,  The data set are : X :- 8, 28, 68, 19, 68, 50, 28, 26, 17 Y:- -37, -38, -24,…

Q: Find the correlation coefficient r for the given set of data.  x y 2 9 4 11 5 19 7 23 How do you…

A: We have given that the data in tabulation form of two variables X and Y.   Correlation coefficient…

Q: Which of the following is the correlation coefficient of your data on the number of server users…

A: Obtain the value of the correlation.   The value of correlation is obtained below as follows:…

Q: X Y 3 3 6 9 5 8 4 3 7 10 5 9   Compute the Pearson correlation to measure the degree of…

A:

Q: Q5- The following data (tensile strength, hardness are for tensile strength (100 psi) and hardness…

A: The question is about correlation and regression Given :   To find : 1 ) Scatter diagram 2 ) Value…

Q: x y 55 75 55 64 72 48 50 49 60 76 55 74 56 75 73 58 Find the correlation coefficient and report it…

A: n=8

Q: amount and Y represents the expense amount. The variance of the total cost is 100, the standard…

A: The correlation coefficient is 0.8The variance of the total cost is 100The the standard deviation of…

Q: Here is a bivariate data set. x y 51 18 75 103 59 -64 95 138 71 119 39 2 39 -62 74 103 Find the…

A: Given data, x y 51 18 75 103 59 -64 95 138 71 119 39 2…

Q: Annual high temperatures in a certain location have been tracked for several years. Let X represent…

A: Correlation:   A statistical method that is applied between the pairs of variables to check how…

Q: e 11 Show that the correlation coefficient is independent of the origin of reference and the units…

A:

Q: QI The geometric mean (Xg) for the data ( 22, 14, 25, 18, and 14) is: О 18.0 O 18.8 О 19.2 О 17.2

A: Data: 22,14,25,18,14 We want to find the geometric mean. Note: According to Bartleby expert can…

Q: Calculate the value of r with the Concurrent deviation method for the following data. X: 15 14 21 14…

A: The following data is given: x Y 15 31 14 46 21 31 14 42 18 40 32 36 19 30 18 29…

Q: To find the slope for predicting Y, we need to use the formula: slope = R* (sd2y / sd2x) where R is…

A: Given the values provided, we have: sd2x = 10.23, sd2y = 13.34 and R2 = 0.14.

Q: Here is a bivariate data set. x y 18 20 -5 106 24 4 26 -42 29 71 24 7 46 111 51 198 36 -51 29 -6…

A: Objective: To find the Correlation coefficient r for a bivariate data set. Correlation: Correlation…

Q: Here is a bivariate data set. x y 38 34 32 49 34 52 30 65 32 58 26 66 33 49 35 40 29 54 Find the…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   38 34 1292 1444 1156   32 49 1568 1024 2401…

Q: Here is a bivariate data set. x y 69 25 72 15 68 17 67 18 72 27 71 23 67 23 74 30 Find the…

A:

Q: 66 19 71 39 60 29 61 34 67 24 72 33 66 32 73 33 65 29 Find the correlation coefficient and report…

A:

Q: Here is a bivariate data set. x y -1 78 -27 214 39 -43 19 -3 -9 88 -3 66 25 64 Find the…

A: The Pearson's correlation coefficient between two variables x and y is given by,…

Q: The number of hours 10 students spent studying for a test and their scores on that test are shown in…

A: To determine the t test statistic, first we have to calculate the linear correlation coefficient…

Q: What is Σ(는) () standardized value of x, standardized value of -1 -1

A: It is given that: w can be calculated as: w=4-42    =0

Q: 20 10 20 30 40 50 60 70 x (average number of employees) (b) Would you say the correlation is low,…

A: a) In this case, the independent variable is the average number of employees in a group health…

Q: Assuming a linear relationship between X and Y, if the coefficient of correlation (r) equal -0.30,…

A: We have given that,  Assuming a linear relationship between X and Y, if the coefficient pf…

Q: Here is a bivariate data set. x y 26 139 32 -53 3 130 40 48 59 25 55 23 40 82 27 106 34 143 52 112…

A: The data shows the bivariate data set.

Q: Coefficient of Variation

A: The absolute measure of Dispersion: In the absolute measure of dispersion units is the same as in…

Q: i. Determine i. Determine the covariance the correlation of X and Y. of X and Y.

A: From the given information, fx,y=x2+xy3, 0<x<1, 0<y<2gx=2xx+13hy=13+y6 i) Covariance of…

Q: 1. The following table gives the protein intake of 400 intake of 400 families. Find the Range…

A: Given that: Class Frequency 15 - 25 30 25 - 35 40 35 - 45 100 45 - 55 110 55 - 65 80…

Q: Annual high temperatures in a certain location have been tracked for several years. Let X represent…

A: Given Let X represent the year Y the high temperature.

Q: calculate the correlation coefficient (to three decimal places) between XX and YY. Use your…

A:

Q: Caffeine (mg) Sleep (hours) 60 8 0 8 220 5.5 100 7 80 6.5 For caffeine intake, the mean is…

A: Given: Caffeine (mg) (X) Sleep (hours) (Y) 60 8 0 8 220 5.5 100 7 80 6.5 x¯=92,…