Calculate Pearson's coefficient of correlation from the following data. Take 65 and 70 as the assumed average of the variate X and Y respectively X : 45 55 56 58 60 65 68 70 75 80 85 Y : 56 50 48 60 62 64 65 70 74 82 90

Q: The following data gives the number of hours 7 students spent studying and their corresponding…

A: Step-by-step procedure to obtain the correlation coefficient using Excel-Mega Stat is given…

Q: The following data gives the number of hours 7 students spent studying and their corresponding…

A: We have given that data  Hours Spent Studying 0.5 1 1.5 2 2.5 4 5.5 Midterm Grades 60 66 75 78…

Q: Here is a bivariate data set. x y 61 47 90 27 69 44 73 40 86 35 103 17 80 36 Find the correlation…

A: The correlation coefficient r, for bi-variate data (x,y) is given by the formula, Where n= sample…

Q: Here is a bivariate data set. y 51 69 49 54 39 51 51 67 36 39 78 88 38 31 46 55 38 47 Find the…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   51 69 3519 2601 4761   49 54 2646 2401 2916…

Q: The following data gives the number of hours 1010 students spent studying and their corresponding…

A: Given data: x (Hours spent on studying) 0.5 1.5 2 2.5 3 4 4.5 5 5.5 6 y (Midterm grades) 60 66…

Q: Which of the following best describes the Pearson correlation for these data? X   Y 2   5 5   1 3…

A:

Q: he following data gives the number of hours 5 students spent studying and their corresponding grades…

A: From given data, X Y X*Y X*X Y*Y 0 66 0 0 4356 1 75 75 1 5625 2 78 156 4 6084 4 84 336 16…

Q: The data below is 12 observations of Math SAT scores (x) and scores on Math placement test (y).…

A: Correlation It tells how the variables are linearly related with each other. It represents the…

Q: A researcher wants to determine if there exists a linear correlation between the length in inches of…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: The data below are the temperatures on randomly chosen days during a summer class and the number of…

A: Let X denote the temperature Let Y denote the number of absences Calculation:

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Answer  Given  X           Y             X*Y              X^2             Y^2 0          60…

Q: y 8 -37 28 -38 68 -24 19 77 68 -69 50 -53 28 190 26 165 17 124 Find the correlation coefficient and…

A: We have given that,  The data set are : X :- 8, 28, 68, 19, 68, 50, 28, 26, 17 Y:- -37, -38, -24,…

Q: The following table gives the average number of hours 7 junior high students were left unsupervised…

A: Hours Unsupervised 0.5 1 1.5 2 3 4.5 5.5 Overall Grades 100 96 88 84 72 68 64

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Given data values X Y 0 60 0.5 63 2 66 2.5 69 3 78 4 81 4.5 84 5 90 5.5 93 6…

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: Is there a linear relationship between the number of hits a World Series player gets and the number…

A: The objective of this question is to determine if there is a linear relationship between the number…

Q: For the data below, compute the Pearson correlation. X Y 3 4 2 5 1 9 6 2 Find coefficient of…

A:

Q: The data below is 8 observations of Math SAT scores (x) and scores on Math placement test (y).…

A:

Q: x y 55 75 55 64 72 48 50 49 60 76 55 74 56 75 73 58 Find the correlation coefficient and report it…

A: n=8

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

A:

Q: Here is a bivariate data set. x y 51 18 75 103 59 -64 95 138 71 119 39 2 39 -62 74 103 Find the…

A: Given data, x y 51 18 75 103 59 -64 95 138 71 119 39 2…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Given: The following data gives the number of hours 10 students spent studying and their midterm…

Q: Here is a bivariate data set. x y 85 -178 43 178 52 130 67 -173 57 23 70 356 75 -20 65 -88 31 189…

A: Here, there are 9 data given. That is, n = 9. Consider the preliminary calculations given below:

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Independent variables = X = Hours Spent Studying Dependent variable = Y = Midterm Grades Hours…

Q: .  Calculate the correlation coefficient by hand for the relationship of interval variables X and Y…

A: We have given that, X:- 10, 20, 5, 10, 15 Y:- 5, 15, 10, 20, 25 Then,  We will find the correlation…

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Let X: Hours spent studying and Y: Midterm Grades x y X^2 Y^2 XY 0.5 60 0.25 3600 30 1 63 1…

Q: Here is a bivariate data set. x y 38 34 32 49 34 52 30 65 32 58 26 66 33 49 35 40 29 54 Find the…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   38 34 1292 1444 1156   32 49 1568 1024 2401…

Q: Here is a bivariate data set. x y 69 25 72 15 68 17 67 18 72 27 71 23 67 23 74 30 Find the…

A:

Q: The following data gives the number of hours 10 students spent studying and their corresponding…

A: Step-by-step procedure to obtain the correlation coefficient using MINITAB software:Step 1: Select…

Q: 66 19 71 39 60 29 61 34 67 24 72 33 66 32 73 33 65 29 Find the correlation coefficient and report…

A:

Q: The data below is 14 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A:

Q: Determine the value of the linear correlation coefficient, R2 for the following data: X 3.6 4.8 6.2…

A: Data given X Y 3.6 27 4.8 38 6.2 48 7.3 58 8.8 78

Q: Compute r, the correlation coefficient, rounded to the nearest thousandth, for the following data.…

A: We will find the correlation coefficient r using the following formula…

Q: Here is a bivariate data set. x y 38 37 55 60 56 77 76 102 58 68 59 75 52 58 53 53 Find the…

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: The following data gives the number of hours 10 students spent studying and their corresponding…

A: We have given that,  X :-  0,  0.5,  1,   2,    2.5,   3,   3.5,   4,  4.5,  5  Y:-  63, 66, 69, 75,…

Q: Here is a bivariate data set. x y 26 139 32 -53 3 130 40 48 59 25 55 23 40 82 27 106 34 143 52 112…

A: The data shows the bivariate data set.

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

A:

Q: Determine the correlation coefficient for the data shown in this table: x 1 8 8…

A: Given