What is the correlation between X and Y? a) 1.0 b) -1.0 c) 0.0 d) -0.5

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

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Q: A student conducted a correlation analysis and obtained the following values: weight, X TSC, Y X*X…

A: Solution:-  Given data:   Σx=288, Σy=14.9,  Σx2=17064   Σy2=51.87, Σx.y=896.5To calculate the…

Q: the compunted correlation between x any is 0.71. f x is the amount & doctric bill agl Y Is the…

A: Given information: The correlation between X and Y is 0.71. That is, r=0.71 Here, X is the amount of…

Q: 0.3. Calculate co-efficient of correlation between x & y by direct method, when x= 78 89 97 69 59 79…

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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: find the correlation coefficient r. x y 7 15 10 16 15 25 18 32

A: Calculation: From the table,

Q: C. From the data find: the correlation coefficient between the age and Blood pressure, explain the…

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

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Q: Assume that the computed correlation between x and y is -0.13. Suppose we define new variable s = -x…

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

A: Scatter plot is the graphical representation of the relationship between two variables of a…

Q: 2. Calculate Karl Pearsons co-efficient of correlation from the students. n Inches: x = 62 58 65 y =…

A: Given: The values are as follows x y 62 50 58 43 65 51 63 52 56 48 59 51 60 53…

Q: Calculate the coefficient of correlation betwe . and y from the following data : X 1 2 4 6. 7 Y 2 4…

A: Given data, X Y X*Y X*X Y*Y 1 2 2 1 4 2 4 8 4 16 3 5 15 9 25 4 3 12 16 9 5 8 40 25 64…

Q: X: 1 2 Y: 2 4 3456 7 9 12 14 What is the correlation coefficient for variables x and y? a..950 b.…

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

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

A: Solution: The given data is

Q: Use the linear correlation coefficient given to determine the coefficient of determination, r². r =…

A: r=-0.8426

Q: Find teh correlation coefficient  between X and Y X 57 58 59 59 60 61 62 64 Y 77 78 75 78 82 82 79…

A: From given data we have : X 57 58 59 59 60 61 62 64 Y 77 78 75 78 82 82 79 81

Q: Compute the correlation coefficient. X y 36 24 -10 -7 9 34 The correlation coefficient is = 22 0 40…

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Q: Find the correlation coefficient for the following data: x:     1     2     3     4     5     6…

A: From the provided information, X Y 1 3 2 2 3 4 4 3 5 7 6 5…

Q: Test the significance of your computed correlation coefficient at a=0.05. The following are test…

A: Solution-: Let, X=Abstract reasoning and Y=Arithmetic Find the correlation coefficient and test the…

Q: Find the value of the linear correlation coefficient r. x 47.0 466 274 332 409 10 10 10 y A) 0.156…

A: Correlation:   A statistical method that can be applied between the pairs of variables in order to…

Q: Find the correlation coefficient (r)? xy

A: Given data,

Q: I would need help with find the value of the linear correlation coefficient r, please?

A: For the given data r =?

Q: - Find the correlation coefficient.   X                   Y   11               24   15…

A: Given data, X Y X*Y X*X Y*Y 1 24 264 121 576 15 32 480 225 1024 17 35 595 289 1225 19 41…

Q: . Calculate the Pearson correlation for the following data   X         Y    13         9 15…

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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: What is the dependent variable in a correlational study of ice cream sales and air temperature?

A: The temperature is being observe as the dependent variable which is the ice cream is being measured…

Q: Find out the correlation existing between X and Y from the following scatter diagram y 60 40 20 20…

A: From the given scatter diagram we can infer that as X increases, Y decreases. Also we can see that…

Q: 0.52 0.49 0.49 0.45 0.44 0.43 0.42 0.41 0.40 y 75 80 72 70 71 70 65 60 62 Find…

A: From the given data we want to determine correlation coefficient.

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…

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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…

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Q: In an area of the Midwest, records were kept on the relationship between the rainfall (in inches)…

A: It is given the data set of two random variables the rainfall (X) and the yield of wheat (Y).

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related. 

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.