The grade of 10 SHS students on a midterm report x and on the final examination y are as follows. 78 72 50 65 99 68 94 72 81 96 68 Y 86 56 99 70 84 80 55 99 70 Determine the correlation coefficient r.

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: 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: 5. Obtain the rank correlation coefficient for the following data, 68 64 75 50 64 80 75 40 55 64 Y…

A: X:- 68, 64, 75, 50, 64, 80, 75, 40, 55, 64 Y:- 62, 58, 68, 45, 81, 60, 68, 48, 50, 70 Then,  We will…

Q: 3. Calculate the rank correlation coefficient and comment on its value. 65 120 50 55 65 50 55 60 50…

A: A rank correlation coefficient measures the degree of similarity between two rankings, and can be…

Q: Calculate the correlation coefficient for the following data and interpret your result. 3pt   Year…

A: From given data, X Y X*Y X*X Y*Y 70 155 10850 4900 24025 63 150 9450 3969 22500 72 180…

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

A: Solution-: Let, X=represent the batting average of a professional baseball player  Y=represent the…

Q: Based on the data shown below, calculate the correlation coefficient (rounded to three decimal…

A: Solution: x y x^2 y^2 x⋅y 3 28.55 9 815.1025 85.65 4 29.2 16 852.64 116.8 5 35.55 25…

Q: Find Spearman's rank coefficient of correlation from the following data : X: 50 66 34 21 15 79 42 Y:…

A:

Q: The data in Table 1 show the hours per week that a student spent playing pool and the student's…

A:

Q: The data below are the number of absences and the final grades of 9 randomly selected students from…

A:

Q: e 6 Calculate Coefficient of Correlation between the values of X and yu given below: Values of X: 65…

A:

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

A:

Q: The Mindfulness index(X) and Work performance index (Y) of employees of a company is given in the…

A: The formula for the correlation coefficient is : r=∑ixi-xyi-y∑ixi-x2.∑iyi-y2   X Y (xi-x) (yi-y)…

Q: The data below are the final exam scores of 10 randomly selected calculus students and the number of…

A: From the provided information, Hours (x) Scores (y) 5 71 7 86 4 66 10…

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

A: Correlation is a quantitative measure of the degree of linear relationship  that may exist between…

Q: Use the data values in the table below to calculate the correlation between the variables x and y.…

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

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

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: The data below are the final exam scores of 10 randomly selected history students and the number of…

A:

Q: Calculate the correlation coefficient for the following data sets and then plot these data sets as…

A: Disclaimer : Since you have asked multiple question, we will solve the first question for you. If…

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: Based on the data shown below, calculate the correlation coefficient (rounded to three decimal…

A:

Q: The following table compares the completion percentage and interception percentage of 5 NFL…

A: Solution-: We determine correlation coefficient and check it is statistically significant or not.

Q: 3. Calculate the coefficient of correlation from the following data by the method of rank…

A:

Q: Use the data values in the table below to calculate the correlation between the variables x and y.…

A:

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: Use the data values in the table below to calculate the correlation between the variables x and y.…

A:

Q: For the data in the table, find the following values. Round each answer to 4 decimals. y 2 4 4. 5.…

A: Solution: x y x^2 y^2 x⋅y 2 4 4 16 8 4 6 16 36 24 5 9 25 81 45 6 10 36 100 60 7 18 49…

Q: 2. The number of hours 13 students spent working on a project and the grade they earned Hours spent…

A: Determine the type of correlation.   Use EXCEL to obtain the value correlation coefficient r:…

Q: Calculate the Spearman's rank correlation(r.). from the following data: Marks in Mathematies 35 46…

A: Obtain the value of the spearman’s rank correlation coefficient. The value of the spearman’s rank…

Q: Find the Correlation Coefficient for the following data:           X 1 2 3 4 5 y 2 5 3 8…

A: The independent variable is x. The dependent variable is y. The given data represents simple linear…

Q: For the data in the table, find the following values. Round each answer to 4 decimals. y 1 3 2 7 10…

A: Given,

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

A: Part A

Q: The heights and weights of a sample of 11 students are: Height (m) h Weight (kg) w 1.36 1.47 1.4…

A: 1. Correlation coefficient: correlation coefficient, r=0.6422

Q: Based on the data shown below, calculate the correlation coefficient (rounded to three decimal…

A: Calculations: From the table,

Q: Calculate the coefficient of correlation from the following data by the Spearman's Rank difference…

A:

Q: Based on the graph below, which of the following values for the correlation coefficient is most…

A: Correlation Coefficient: Correlation coefficient is used to measures the strength of association or…

Q: Calculate rank correlation coefficient of the following data : 80 80 142 75 88 95 75 60 50 Y 120 120…

A: x rank of x y  rank of y d = R(x)-R(y) d^2 75 5 120 4 -1 1 88 2 120 4 2 4 95 1 150 1 0 0 75…

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

A: From given data, X Y X*Y X*X Y*Y 580 619 359020 336400 383161 510 476 242760 260100 226576…

Q: Determine the correlation coefficient for the data shown in this table: x3 8 10 14 16 17 y 43 37 28…

A: Given data is x 3 8 10 14 16 17 y 43 37 28 22 20 12

Q: Use the data values in the table below to calculate the correlation between the variables x and y.…

A: Given data,   X Y X*Y X*X Y*Y 3 19.13 57.39 9 365.9569 4 21.24 84.96 16 451.1376 5 19.65…

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

A:

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: Use the graph below to determine a possible range for the correlation coefficient between the two…

A:

Q: Calculate the rank correlation coefficient for the following data: 82. 75 25 98 36 78 : 39 65 62 90…

A:

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) x 1…

A:

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

A: a) The scatter plot is as follows:

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

A:

Q: Calculate the correlation coefficient from the following data on hourly sales (x) and expenses (y)…

A: Given data,   X Y X*Y X*X Y*Y 70 72 5040 4900 5184 66 68 4488 4356 4624 68 69 4692 4624…