Calculate the correlation co-efficient by first multiplying each A and ! by 10 b) subtracting 70 from each X and 60 from each Y. 8.2 9.6 7.0 9.4 10,9 7.1 9.0 6.6 8.4 10.5 Y 8.7 9.6 6.9 8.5 11.3 7.6 9.2 6.3 8.4 12.4

Q: Here is a Divanate data set. x y 51.9 153.3 81.9 48.6 83.3 49.8 47.2 109.2 85.5 55.1 68.4 40 49.7…

A: Solution: x y x^2 y^2 x⋅y 51.9 153.3 2693.61 23500.89 7956.27 81.9 48.6 6707.61 2361.96…

Q: Use the computing formula to calculate the coefficient of correlation for the vending machine data…

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Q: Given: sum(x) =28, sum(y)=49 , sum(xsq)=124 ,sum(ysq)=353,sum(xy)=204  n=7   Find :  The linear…

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Q: C. Compute and interpret r for the following data given. 1. 3 6 12 1 10 5 13 25 41 49 2. 3 5 7 y 44…

A: 1) Given data and calculation x y x2 y2 xy 1 5 1 25 5 3 13 9 169 39 6 25 36 625 150 10…

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

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Q: In the context of linear association and correlation coefficient, if E(x – ē)(y – 9) = 630, n = 10,…

A: Formula for correlation coefficient : r = Cov(x,y)sxsy Where ,  Cov(x,y) = 1n-1∑(x-x¯)(y-y¯)…

Q: Following is a random sample of price per piece of plywood, X, and quantity sold, Y (in…

A: Correlation is a statistical tool it is used to measure the relationship between two or more…

Q: 1.79 Explain what each of the following sample correlation co- ww efficients tells you about the…

A: Here we have to define what following correlation coefficients tells about the relationship between…

Q: Calculate correlation coefficient from the following information: N= 10, ΣX= 140, ΣΥ= 150, Σ(Χ- 10,…

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Q: The following data represent the calories and​ sugar, in​ grams, of various breakfast cereals.…

A: Use EXCEL to obtain the value correlation coefficient r: EXCEL procedure: Go to EXCEL Go to…

Q: Let x be the average number of employees in a group health insurance plan, and let y be the average…

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Q: Q. 16. From the following data, find Q,, Q, D,, P 97 Marks : 14 21 23 28 30 34 39 42 No. of students…

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Q: Calculate coefficient of correlation r between the marks in statistics (X) and Accountancy (Y) of 10…

A: From the given data we make the following table to compute coefficient of correlation r between the…

Q: find the spearman's correlation Y 2053 10.5 2058 10.49 2059 10.48 2061 10.47 2065 10.47 2065 10.47…

A: Also, the following calculations involving the ranks are needed to compute the Spearman correlation…

Q: Suppose a 10-item test in Math (x) and a 10-item test in English (y) were administered to 10…

A: Introduction: The Math score is denoted by x, and the English score is denoted by y. It is required…

Q: 2. The following is a set of data from a sample of n=11 items: 21 15 24 9 7 5 8 18 30 36 12 27 45 54…

A: Introduction :- Here we have to find covariance, correlation for the given data.

Q: Compute the coefficient of correlation by using the table below showing the grades of 12 learners…

A: Given We need to calculate correlation using  a) Spearman’s Formula and b) Rank-Difference Method.

Q: A professor claims that students who have faster typing speed (in words per minute) tend to have…

A: Given: Sample size, n=30Sample correlation coefficient, r=0.3234

Q: A. Find the coefficient of correlation and interpret the relationship between the two set of test…

A: Correlation quantifies the strength of relationship between 2 variables. The value of correlation…

Q: ompute the Pearson Product-Moment Correlation for the following: x               y

A: Given : n=10 , ƩX=60 , ƩY=48 , ƩX2=396 , ƩY2=262 , ƩXY=287 X-bar=ƩX/n=60/10=6 Y-bar=ƩY/n=48/10=4.8 σ…

Q: Calculate the correlation coefficient for the following data sets and then plot these data sets as…

A: We need to use given data and find correlation coefficient.

Q: A set of n=6 ordered pairs has the following sums: Sum x=64 Sum xsqrt=814 Sum y=85 Sum y sqrt =1351…

A: The Provided information is, ∑x=64∑x2=814∑Y=85∑y2=1351∑XY=1039n=6

Q: Solve the following using Pearson r and test the significant correlation at 5 % tabular value.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The correlation coefficient, r, is a nurmber between 00 and 00 O-1 and 1 00 and 1 O-00 and 00 O-10…

A: The Pearson correlation coefficient used to define the relationship between two quantitative…

Q: A random sample of 11 professional athletes produced the following data, where a is the number of…

A: Solution: n= 11 observation  α=0.08  Level of significance  Claim : To determine whether or not…

Q: If there is positive correlation between two sets of numbers, then _______. r > 0 r = 0 r < 0 SSE…

A: The correlation coefficient r measures the strength and direction of linear relationship between two…

Q: Estimate the most likely degree of correlation for each of the following scatterplots: 95. 90- as we…

A: The degree of association between the two numerical variable is understand using the correlation…

Q: Match each scatterplot with its corresponding correlation coefficient: A) 15 В) 15 10 10 5. 3 6 3 12…

A: We are given, four figures and to match the correlation coefficient with four given options. This…

Q: Use the computing formula to calculate the coefficient of correlation for the vending machine data…

A: The following data for the X and Y variables are provided to find the sample correlation…

Q: Match each scatterplot shown below with one of the four specified correlations. a. -0.22 b. 0.94 C.…

A: The scatterplot and correlation values are given.

Q: Student 1 3. 4 8. Marks in 25 30 90 38 22 50 70 30 Economics Marks in 50 40 60 40 70 40 30…

A: Given, Let X be the marks in economics Let Y be the marks in statistics  X Y 25 50 30 40 38…

Q: Obtain the rank correlation co efficient for the following data : X: 68 Y: 62 64 75 50 64 80 75 40…

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Q: Given the following data pairs (x, y): (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6,…

A: The data shows the x and y variables.

Q: wenty-one mature flowers of a particular species were dissected, and the number of stamens and…

A: (a) Is there sufficient evidence to claim a linear relationship between these two variables at α =…

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

A: The table shows the values of x and y.

Q: Twenty-one mature flowers of a particular species were dissected, and the number of stamens and…

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Q: Twenty-one mature flowers of a particular species were dissected, and the number of stamens and…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: As from the following data find out whether attributes () (AB), (i) (AB), (ii) (aB) and (iv) (aß)…

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Q: The following data represent exam scores in a statistics class taught using traditional lecture and…

A: Given data of exam scores in a statistical class taught in two methods Traditional and Flipped…

Q: 2. Graph the following points, and draw in the line of best fit. Comment on the fit of this line,…

A: Given data: x y 1 -1 2 2 3 4 4 8 5 9 6 13 7 17 28 52

Q: Suppose that for variables x and y,  we find that the correlation coefficent r= .750. Assuming that…

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Q: Match each scatterplot shown below with one of the four specified correlations. O 0 8° & 0 O O Po 90…

A: 1.  For diagram (1)       r = option (a) = 0.38    Because most of the points are in lower left  and…

Q: With the following data in 6 cities, calculate the coefficient of correlation by Pearson’s method…

A: The provided data set is: Population in "000' Number of deaths 30 300 90 1440 40 560 42…

Q: 6. The following table shows the marks of 12 students in Accounts and Q.T.. Determine the…

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Q: = 11: X     3    6    10    12    4     9     15    18     7    5    8 Y     9   18   30   36   12…

A: We have given that, X:- 3 6 10 12 4 9 15 18 7 5 8 Y:- 9 18 30 36 12 27 45 54 21 15 24 Then,  We will…

Q: For each of the following, indicate whether you would expect a positive or a negative correlation.…

A: Correlation measures the degree to which two variables move in relation to each other. Positive…

Q: Match each scatterplot shown below with one of the four specified correlations. оо O O CONO OOOLO О…

A: As Prof. P. K. Giri said "By correlation we mean the association or interdependence between two…

Q: An art teacher is interested on the consistency of two judges who evaluated the performance of ten…

A: Calculate Correlation Coefficient r without cov(x,y) from the following data X Y 3 1 1 2 5…

Q: Match each scatterplot with its corresponding correlation coefficient: A) 15 B) 15 10 10 5 3 6 12 3…

A: Scatter plot is used to visualise the relation between two variables. The linear relation between…

Q: If the coefficient of determination is o.81, the correlation coefficient Select one: a. must be…

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