2. Calculate the correlation coefficient between the two variables x and y shown below: X -1 1 2 4 6. 7 -1 2 3 3 8

Q: Consider the following small data set. Subject x y 17 19 1 2 5 25 3 24 10 31 1731 3 4 Find the…

A: Given : Subject x y 1 17 19 2 5 25 3 3 24 4 10 31 5 17 31

Q: The following data pertain to the number of computer jobs per day and the central processing unit…

A: X Y X.Y X.X Y.Y 1 4 4 1 16 2 6 12 4 36 3 8 24 9 64 4 12 48 16 144 5 10 50 25 100

Q: (a) (b) (c) (d) (e) (f) (8) Match the above graphs with the corresponding linear correlation…

A: Given Information:

Q: If the coefficient of determination is equal to 1, then the correlation coefficient is a.

A: Given : The coefficient of determination is equal to 1

Q: If Data A has a correlation coefficient of r= -0.991, and Data B has a correlation coefficient of r=…

A: It is given that Data A has a correlation coefficient of r = -0.991. It is given that Data B has a…

Q: In the context of linear association and correlation coefficient, if E(x – a)(y – 9) = 63, n = 49,…

A: Given  ∑(X-x̄)(Y-ȳ)=63, n=49, Sx=1.1, Sy=2.2

Q: Which of the following correlation coefficients indicate the strongest linear relationship between…

A: Option (c) rxy=-0.6, is the correlation coefficient that indicates the strongest linear relationship…

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y…

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

Q: Compute​ r, the correlation​ coefficient, using the following data. x 1 5 3 6 4 7…

A: In this context, the sample correlation coefficient can be obtained using EXCEL.

Q: 134N d the correlation coefficient for each of the three data sets shown below. (a) (b) (c) y y y 1…

A: We have given some data, We have to calculate correlation coefficient for each sub part. According…

Q: Find the value of the linear correlation coefficient r. 19.3 23.4 10.3 17.7 23.2 3 3 0.056 -0.236…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   19.3 3 57.9 372.49 9   23.4 3 70.2 547.56 9…

Q: If Ꜫx=12, Ꜫy=42, Ꜫx²=46, Ꜫy²=542, Ꜫxy=157and n =4, find the correlation coefficient,

A:

Q: 1.2. Calculate the correlation of coefficient (r).

A: Here, Two variables are given, X : Income per annum (in R 1000)  Y : Life Insurance (in R 1000) The…

Q: Match the following scatterplots to their correct correlation coefficients (r). 1. r=-0.85 2.…

A: From the given information we match with correlation.

Q: b) the correlation coefficient :of this data is

A: here use basic of Correlation coefficient

Q: If x and y are two uncorrelated variables and u=x+y, v =x- y, find the coefficient of correlation…

A:

Q: Use the following table to find the linear correlation coefficient between x and y X 2 3 4 1 2 2 3 2…

A:

Q: find the correlation coefficient r.   x y 5 8 9 10 11 13 17 19

A: Solution: The given data is

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y…

A: Correlation: The extent linear relation between the two variables is called correlation. Positive…

Q: (1) If X is measured in dollars (S), and Y is measured in meters (m), what is the unit of…

A: Solution: 1. From the given information, X is measured in dollars and Y is measured in meters.   The…

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y…

A:

Q: Q1) Test a correlation relationship by using Pearson Superman coefficients. 2 2 2 1 1 1 y 3 X 4 2 2…

A:

Q: 9. Calculate the Coefficient of Correlation between the values of X and Y from the data given below:…

A:

Q: The data below is 12 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A: We have to find correct answer..

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y…

A: We want to find correlation coefficient

Q: What is the value of the linear correlation coefficient "r" for the fol y 2 4 1.

A: The formula for the relation correlation coefficient is given as follows r=∑xi-x∑yi-y∑xi-x2∑yi-y2

Q: 1. Calculate the linear correlation coefficient for the following data. X = 4,8,12, 16 and Y = 5,…

A: Given Data X = 4, 8, 12, 16 and Y = 5, 10, 15, 20

Q: Calculate the correlation coefficient, r, for the data below. x-14 -12 -5 -8 -10 -11 -9 -7 -6 -13 -…

A: Given data is x -14 -12 -5 -8 -10 -11 -9 -7 -6 -13 y -1 1 18 10 7 3 8 12 15 1

Q: Example 1. Given that the coefficient of correlation between x and y is 0.6, write down the…

A:

Q: Which of the following correlation coefficients represents the strongest lincar relationship? (1)…

A: solution

Q: Compute the Coefficient of Correlation between the corresponding values of x and y in the following…

A: Solution is given:

Q: Match the calculated correlations to the corresponding scatterplot. (1) (2) (3) (4) DI

A: Solution

Q: Compute r, the correlation coefficient, using the following data. 7 3 8 y 6. 10 3 (Round to three…

A: Mx= Mean of X Values=∑xiin=(6+5+7+3+1+8)6=306=5 My= Mean of Y Values=∑yiin=(3+5+3+6+10+3)6=306=5

Q: Given that the ranks of X and Y are those shown in the table below, calculate the Spearman’s rank…

A:

Q: X 1.3 -1.2 -0.1 0.5 -0.8 Y 1.6 -2.1 -0.2 0.3 -0.6

A: Given: Sample size(n)=5

Q: Compute the coefficient of correlation of the following score of A and B: A : 5 10 5 11 12 4 4 2 7 1…

A:

Q: Calculate the correlation​ coefficient, r, for the data below.   x 1 3 10 7 5 4 6 8 9 2 y −18 −16 1…

A:

Q: x 19.3 23.4 10.3 17.7 23.2 y 6 2 3 3 3

A: Following values can be calculated from the gives values as follows:

Q: given by the following table: y X-4 -2 2 4 -2 0 0.25 0 0 -1 0 0.25 1 0.25 0|0 2 0.25 Find the…

A: Given:         X           -4 -2 2 4 total   -2 0 0.25 0 0 0.25 Y -1 0 0 0 0.25 0.25   1…

Q: If (r) is the correlation coefficient between two variables, then:

A: We need to use the concept of correlation

Q: The following table shows the magnitude of earthquakes on the Richter scale, x, and the…

A: Calculate the following values. x y (x - mean_x)2 (y - mean_y)2 (x - mean_x)*(y - mean_y) 2.9…

Q: Shown below is a scatterplot of Y versus X. -10 -20 -30 -40 -50 5 10 15 20 25 Which choice is most…

A:

Q: Which of the following correlation coefficients might lead a researcher to conclude that there is a…

A:

Q: Choose the most likely correlation value for this scatterplot: r = 0.436 Ir = 0.100 r= -0.897 r =…

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: Compute r, the correlation coefficient, using the following data.  x 2 1 7 8 3 6 y 3 4 10 11 4…

A: In this question we have a given data for variable x and y, and we have to find the correlation…

Q: As a result of the research, it was concluded that there is no relationship between the two…

A:

Q: Find the correlation coefficient between the variables X and Y presented in the table: X 1 3 4 6 8…

A: From the provided information, x 1 3 4 6 8 9 11 18 y 1 2 4 4 5 7…

Q: Calculate Coefficient of Correlation from the following data: 0.1 0.2 0.3 0.4 0.5 0.6 0.7 30,000…

A:

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y…

A: This question is related to statistics, We will solve it using given information.

Q: If the correlation coefficient obtained from data pairs of variables X and Y is 0.98 the strength…

A: correlation coefficient The correlation coefficient r measures the direction and strength of a…