1. Given the following data: n-15, ΣΧ 120, ΣΥ= 260, Σχ2 = 1320, Σ Υ2 6580 and Σ ΧΥ-2830. %3D Find the coefficient of correlation and coefficient of determination. Interpret your result.

Q: Match each scatterplot shown below with one of the four specified correlations. a. -0.86 b. 0.42 c.…

A: If two quantitative variables (say x and y) are in same direction, then it implies that there is a…

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: Determine the value that the correlation, r, could be for the following scatter plot. 8. 2. 6. 8.

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Q: Match the linear correlation coefficient to the scatter diagram. r=- 0.933

A: The linear correlation coefficient shows the strength and direction of the linear relationship…

Q: Match the linear correlation coefficient to the scatter diagram. r= -0.546 Choose the correct graph…

A: Linear correlation coefficient to the scatter diagram is given. r = -0.546

Q: For Discussion #3, find an example of each of the following and cite your source. two variables with…

A: Correlation coefficient is a measure which indicates the strength of relationship or association…

Q: make per day. They collected the following data: Number of Workers (X) Number of Cars (Y) 8. 4 10 a)…

A: Given : X Y 2 3 3 8 4 10

Q: The table below gives the amount of Krabby Patties made by Spongebob for each year he's worked.…

A: We are given the amount of Krabby Patties made by Spongebob for each year he's worked: Years…

Q: Match the linear correlation coefficient to the scatter diagram. 1= -0.764 Choose the correct graph…

A: If the values of correlation is between -0.7 and -1 then the relation is negative and strong. The…

Q: Match the linear correlation coefficient to the scatter diagram. r= -0.546 Choose the correct graph…

A: The correlation coefficient is -0.546.

Q: Calculate coefficient of correlation for the following data by short-cut 58 62 66 68 70

A: From the given sample data : n=7 , ƩX=450 , ƩY=436 , ƩX2=29188 , ƩY2=28070 , ƩXY=28376 Our aim is to…

Q: Calculate correlation coefficient from the following data : N= 10, Σ X= 140 , Σ Υ-150 E (X – 10)2 =…

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Q: For the following pairs of data points (10, 100), (8, 120), (5, 200), (4, 200), (10, 90), (7, 110)…

A: Follow the steps below to get the correlation coefficient Table in excel: 1) Import the data in the…

Q: Illustration 8. Calculate the coefficient of correlation between X and Y from the following data and…

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Q: Suppose in a given problem about the correlation between height and weight of 20 college students,…

A: The value of r is 0.93. The value of the correlation coefficient is, r=0.93 Thus, the value of the…

Q: me 6. Calculate Coefficient of Correlation between the values of X and Y given below: 68 Values of…

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Q: Compute the correlation coefficient. 25416 y 3 61 2 4 Send data to Excel

A: The correlation coefficient formula is: where, The table that shows the necessary calculations is…

Q: Calculate the correlation coefficient for the following data sets. y 51 2 38 4 54 1 33 4 64 55 1 28…

A: Given data,   X Y X*Y X*X Y*Y 51 2 102 2601 4 38 4 152 1444 16 54 1 54 2916 1 33 4 132…

Q: 8.7 10.2 19.4 18.9 9.5 Put your answer here:

A: Solution : The given data is   x 2.9 2 2.7 7.1 4.6 4.5 y 14.8 8.7 10.2 19.4 18.9 9.5

Q: For the data below, calculate the correlation coefficient between X and Y. You may use the…

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Q: If the correlation coefficient r is equal to 0.321, find the coefficient of determination. O a O b O…

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

Q: Make up a table with five pieces of bivariate data and determine the correlation coefficient, r.…

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Q: Consider the following scatter plots, number 1, 2, and 3 from left to right: 100 Which plot is most…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: Refer to the following: For countries listed in the Human Development Report, the correlation…

A: Given information- Correlation between the percent of people using the Internet and per capita gross…

Q: Match the linear correlation coefficient to the scatter diagram. r= -0.969 Choose the correct graph…

A: The correlation value lies between -1 to +1. Larger the value of the coefficient stronger the…

Q: 7. Find the rank correlation coefficient from the following : 50 50 55 60 65 65 65 60 60 50 Y 11 13…

A: We know that  Rank correlation coefficients (rs) rs=​ SSXY/​​√SSXX*SSYY

Q: 6. Obtain the rank correlation coefficient for the following data: x 68 |64 y| 62 58 75 40 55 64 70…

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Q: Match the linear correlation coefficient to the scatter diagram. r= - 0.523 Choose the correct graph…

A: Linear Correlation Coefficient (r) tells the strength and magnitude of a linear relationship between…

Q: A sample data set produced the following information n=15, sum x=120, sum y=260, sum xy=3770, Sigma…

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Q: If r is the simple correlation coefficient, the quantity r2 is known as:

A: We need to use the concept of correlation / regression analysis

Q: If SST = 864, SSE = 494, SSxy = -20, and SSxx = 1.08 what is the value of the coefficient of…

A: Given, SST = 864 SSE = 494 SSxy = -20 SSxx = 1.08         To find, Coeficient of correlation r = ?

Q: For item 4 to 6. Table 3.8 shows the heights of a sample of 12 fathers and their oldest adult sons.…

A: Given data: Height of father (X) Height of son (Y) 65 68 63 66 67 68 64 65 68 69 62…

Q: A researcher obtained the following results for a study: n = 44,  SSy = 340603,  SSx = 33712, B̂ =…

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Q: If the correlation coefficient is 0.930, what is the unexplained variation? O A. 7% О В. 93% ОС.…

A: From the provided information, Correlation coefficient (r) = 0.930

Q: Ik this data and thên find Spearman's Rank Correlation Coefficient (r, ). Gender of Gamers for…

A: Correlation generally used to measure the strength of association between two numerical variable.…

Q: The grade of 10 SHS students on a midterm report x and on the final examination y are as follows. 78…

A: We have to calculate the Pearson correlation coefficient between X and Y.

Q: Given are 3 observations for two variables, x and y. 1 3 9 10 40 What is the value of the…

A: From the provided information, x 1 3 6 y 9 10 40

Q: Match each scatterplot shown below with one of the four specified correlations. -1.00 -0.40 0.42…

A: Concept: Correlation measures degree of linear relationship between two variables.

Q: The BE Electricity company is studying the relationship between kilowatt consumption (y) used and…

A: Answer: The correlation coefficient is 0.741.

Q: Which of the following values cannot be a correlation coefficient? Group of answer choices -.274…

A: We know that the correlation coefficient is always between -1 and 1. Among the given options, only…

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: Match each scatterplot shown below with one of the four specified correlations. a. 0.88 b. -0.30 c.…

A: Given information: Various scatter plots are provided which are to be matched with the provided…

Q: Compute correlation coefficient?

A: Given ∑(X-90) = -25 , ∑(X-90)^2 = 301, ∑(Y-127) = 12, ∑(Y-127)^2 = 1006∑(X-90) ∑(Y-127)= -469…

Q: Consider the following table of data. 2 3 4 y 1 1 1 1.1 (a) Calculate the correlation coefficient.…

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Q: Suppose in a given problem about the correlation between height and weight of 20 college students,…

A: Given n = 20 r = 0.93

Q: Match each scatterplot shown below with one of the four specified correlations. 800 a. 0.09 b. 0.26…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: The following information represents the humidity level (x) and the moisture content (y) for 14…

A: