Which of the following is the best estimate for the correlation r of the data in the scatterplot below! Answer choices: a.) 1.00 b.) 0.80 c.) -0.83

Q: b. Is the correlation significant using a=.01? c. State the conclusion in APA format.

A: Given  α=0.01

Q: Calculate the correlation coefficient for the following ordered pairs. 6 3 y 7 7 7 r= (Round to…

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Q: For each of the following scatterplots, state whether the correlation coefficient is an appropriate…

A: a. From the given scatterplot, it can be observed that there is a positive association between the…

Q: ja) From the following data calculate the rank correlation coefficient after making adjustment for…

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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: The following data were obtained for a sample of 10 persons from a height Example and weight…

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Q: Calculate the correlation coefficient, r of the following data: Variable X 24 Variable Y 44 13 8 81…

A: We have given that,  X:- 24, 13, 8, 81, 63, 36, 5 Y:- 44, 52, 42, 5, 1, 48, 15 Then,  We will find…

Q: a. Construct the scatterplots for the following bivariate date, b. Identify the line direction of…

A: The variables are: Age of car (in years) and Mileage (in km/liter)

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: 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: Provide an appropriate response. Which of the following values could not represent a correlation…

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

Q: Which value is the correlation coefficient(r) of the following data? r | -2 | -1 | 0 | 1 | 2 |3 -2…

A: The given data values are as follows:

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) y 4…

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Q: Q5: From the table below, 38 44 50 50 50 53 55 59 60 64 73 74 77 70 58 77 87 82 75 60 72 92 104 126…

A: Solution-:  We find For Correlation (By Deviation Method)

Q: Which of the following r-values represent the weakest linear correlation between independent (x) and…

A: A correlation coefficient is used to define, a relation between independent variable (x) and…

Q: Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in…

A: Use the excel tools to draw the scatter plot with the help of following steps:   Enter the data…

Q: (d) Guess the correlation coefficients for the following scatter plots. r= ?

A: Correlation: By correlation we mean the association or interdependence between two variables. If two…

Q: The following data were obtained for a sample of 10 persons from a height Example and weight…

A: From the provided information, Sample size (n) = 10 ∑xi = 700, ∑yi = 1550, ∑xi2 = 49120, ∑yi2 =…

Q: Consider the data in the table below. Determine the equation of the best fit line, the type of…

A: The linear regression equation used to predict the dependent variables based on the effect of the…

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

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Q: Of the four choices, which is closest to the correlation coefficient for this scatter plot? (1) 08…

A: Given  Scatter plot between variable X and Y to describe association between X and Y. It is a graph…

Q: Consider the data set shown below. Find the coefficient of correlation for between the variables x…

A: x y xy x2 y2   0 -2 0 0 4   3 0 0 9 0   2 2 4 4 4   3 4 12 9 16   8 6 48 64 36   10 8 80…

Q: Which of the following Pearson correlations indicates that the data points would be clustered most…

A: Pearson correlations are given.

Q: Which of the following choices could be the Pearson correlation between the x and y variables shown…

A: Determination of correlation coefficient from the scatter plot.

Q: Use the data from the given table of values to determine the correlation. In the answer space…

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Q: The following four data pairs have been obtained (1,5), (2,6), (4,9), (5,11). Without carrying out…

A: Option B

Q: 46. For which of the following Pearson's r correlations would the data points be clustered most…

A: We have the following statement about  The Pearson's r correlation.

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) y 4…

A: Given that the data are X           Y 4           84 5           80.6 6           78.4 7…

Q: Match each scatterplot shown below with one of the four specified correlations. d v

A: It is an important part of statistics. It is widely used.

Q: Which of the following Pearson correlations indicates that the data point would be clustered most…

A: Postive correlation  When the value of one variable increase with increase in another variable then…

Q: 4. Which of the following values of r indicates the strongest correlation? .82 O.361

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

Q: A) Compute the value of the linear correlation coefficient for the data obtained in the study of the…

A: Part A

Q: The following sample of observations were randomly selected. EXERCISES x 4 5 3 6 10 y 4 6 5 7 7…

A: Given : x y 4 4 5 6 3 5 6 7 10 7

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

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Q: Estimate the co-efficient of correlation between x and y from the following data and hence comment…

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Q: Suppose that for a set of (x,y) data, r² = 0.2916. Find the linear correlation coefficient. Do not…

A: Provided information: For a set of (x,y) data,r2 = 0.2916

Q: The following data represents the grades of a sample of 12 students in statistics and economics as…

A: Here, A is given as rank 1, the B is given as rank 2, and so on. In this case, tie of ranks are…

Q: In baseball, is there a linear correlation between batting average and home run percentage? Let x…

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Q: B- what is the sample correlation coefficient of R C- describe the type of correlation if any, and…

A: B. The sums are, X Y X2 Y2 XY 175 1.98 30625 3.9204 346.5 180 1.95 32400 3.8025 351 160…

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

A: The correlation coefficient is used to find the direction and magnitude of two quantitative…

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal y 87 6. 82.8…

A: From given data, X Y X*Y X*X Y*Y 5 87 435 25 7569 6 82.8 496.8 36 6855.84 7 87.8 614.6 49…

Q: In a partially destroyed laboratory record of analysis of correlation data the following results…

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Q: d. Compute the sample correlation coefficient between the number of defective parts found and the…

A: 1) Solution: Let x =Line Speed  and y = Number of defective parts  x y xy x^2 y^2 20 21 420…

Q: The following sample observations were randomly selected. X: 5 3 6 3 4 4 6 8 Y: 13 15 7 12 13 11 9…

A: The observations of X and Y are given. Sample size 'n' is 8.

Q: 1. Given the following data: n-15, ΣΧ 120, ΣΥ= 260, Σχ2 = 1320, Σ Υ2 6580 and Σ ΧΥ-2830. %3D Find…

A: Given: n=15 ∑X=120∑Y=260∑X2=1320∑Y2=6580∑XY=2830

Q: File The following sample of observations were randomly selected. EXERCISES x 4 5 3 6 10 y 4 6 5 7 7…

A: Given : x y 4 4 5 6 3 5 6 7 10 7

Q: Determine the value that the correlation, r, could be for the following scatter plot. -0.8 0.04 -1 0…

A: Here given the scatterplot between two variables. We have to identify the value of correlation…

Q: Match each scatterplot shown below with one of the four specified correlations. O O 08 бо a. -0.17…

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Q: Calculate the correlation coefficient, r of the following data: Variable X 24 Variable Y 44 13 8 81…

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