3. Calculate the coefficient of correlation from the following data by the method of rank differences: x 81 78 73 73 69 68 62 58 10 12 18 18 18 22 20 24

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: Calculate the Coefficient of Correlation between the values of X and Y from the data given below :…

A: From the given information we want to find the coefficient of correlation.

Q: 2. Find the coefficient of correlation between price and sales from the foll data and interpret its…

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: 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: 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: The following table shows the amount of investment, and the amount of interest they earned. Amount…

A: The table shows amount of investment, and the amount of interest they earned.

Q: The average gasoline price per gallon (y) in 10th of SR and the cost of a barrel of oil (x) in 10th…

A: Regression: In order to obtain the least square regression line, first perform regression analysis…

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: Jeremy is looking at the relationship between the height of a person and their shoe size. He takes a…

A: The table shows the person height and shoe size.

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: b) Comment on the type of correlation for the above problem  c)  Give an example of negative…

A: b). The table depicts the required calculations for the correlation coefficient   X Y X*Y X2 Y2…

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

A: Correlation Coefficient :  The correlation coefficient gives the measure of strength of the linear…

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: 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: 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: 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…

A:

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: Persons and Consumption. Calculate the coefficient of correlation between the number of workers (x)…

A: Given: The data values Year 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 x 368 384 385 361…

Q: An instructor wants to show the students that there is a linear correlation between the number of…

A: The random variable X is the hours The random variable Y is the scores The given data is as follows,…

Q: 2. A study was conducted to determine the relationship between a person's monthly income in Omani…

A: The correlation coefficient r is computed as: Where, The table that shows the necessary…

Q: Find the correlation coefficient for the data below which represents the salary of eig people based…

A: Given data, X Y X*Y X*X Y*Y 2 350 700 4 122500 6 900 5400 36 810000 11 1300 14300 121…

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

A:

Q: Calculate the co-efficient of correlation for the following ages of husbands and wifes : Husband's…

A:

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

A: From the given information, x y X^2 Y^2 XY 0 63 0 3969 0 0.5 66 0.25 4356 33 1.5 69 2.25…

Q: Listed below are the data for a local television station. This shows the number of weekly…

A: Given Information:  Weekly Radio Spots Sales ($100s) 4 75 10 85 2 62 6…

Q: Calculate the coefficient of correlation for the following data by rank difference method: 75 88 95…

A:

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

A: Hours Spent Studying, xMidterm Grades ,y0600.5661691.5752782.5813874935965.599