Ten freshmen civil engineering students took a test in Mathematics (x) and Chemistry (y). Their scores are found below. Compute the correlation coefficient and interpret the results. 10 11 12 15 16 10 12 11 9 X 7 y 13 9 8 9.

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: -2 7. 4 21 1 3 15 10 -2 3. -0.885 -0.778 -0.994 -0.671

A: Number of counts (n) = 9   x y x2 y2 xy   -2 15 4 225 -30   0 10 0 100 0   7 -2 49 4 -14…

Q: The number of faculty and students are shown for a random selection of small community colleges.…

A: Note: Please repost remaining sub-parts as i can answer only 3 subparts as per my policy. Given…

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

A: Calculation: From the table,

Q: Calculate the coefficient of correlation between x and y. 2 4 y 5 9. 13 17

A:

Q: Calculate correlation coefficient from the following data : N= 10, Σ X= 140 , Σ Υ-150 E (X – 10)2 =…

A:

Q: 2. For the data below, compute for the Spearman Rank-Order correlation coefficient: Student X Y 1 12…

A: Given data is Student X Y 1 12 16 2 10 12 3 8 13 4 18 12 5 20 15 6 18 14 7 11 10

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: If Ꜫx=12, Ꜫy=42, Ꜫx²=46, Ꜫy²=542, Ꜫxy=157and n =4, find the correlation coefficient,

A:

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

A: Correlation coefficient(r):

Q: Compute the correlation co-efficient between the variables X and Y represer following table: X 4 11…

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

Q: Compute the Pearson correlation for the following data.   X     Y 2      3 3      1 6      5 4…

A:

Q: A teacher wants to know if the number of hours spent in studying is correlated with the score…

A: Student Number of hours spent in studying (x) Score in the exam (y) A 3 20 B 2.7 34 C 3.8 19…

Q: Find Karl Pearson's coefficient of correlation from the following data between height of father (x)…

A: Solution: Data is:

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

A:

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

A: Solution: The given data is

Q: Compute the Pearson Correlation Coefficient, r,  for the following data and say if the correlation…

A: We have to calculate the Pearson correlation coefficient for the given data.

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places) 5…

A:

Q: n=13, sum x=120, sum y=340, sum xy=3970, Sigma x^ 2 =1320, Sigma y^ 2 =255555 Calculate the linear…

A: Given n=13, sum x=120, sum y=340, sum xy=3970, Sigma x^ 2 =1320, Sigma y^ 2 =255555

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: 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: H.W:The following data represent the grades of eight students in the test of two subjects, and it is…

A: Given data is  Math(x) 35 47 51 38 43 29 32 stat(y) 50 100 32 40 35 15 18

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: From the following data calculate Spearman's rank correlation coefficient where X and Y are the…

A: Given data is X 48 33 40 9 16 16 65 24 16 57 Y 13 13 24 6 15 4 20 9 13 19

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

A:

Q: The table shows the number of absences, x, in a class and the final exam grade, y, for seven…

A:

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: Compute the Coefficient of Correlation between the corresponding values of x and y in the following…

A: Solution is given:

Q: Find the coefficient of determination, given that the value of the linear correlation coefficient,…

A: Solution: Correlation: Two variables are said to be correlated where there is an association between…

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: 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: 9) Determine which plot shows the strongest linear correlation. A) УЛ B) D) C) УЛ УЛ

A: Correlation is the measure of linear association between two variables. The variables are said to be…

Q: The weight (in pounds) and height (in inches) for a child were measured every few months over a…

A: Correlation coefficient quantifies the strength and direction of relationship between variable. The…

Q: Which of the following correlation coefficient would reflect a conclusion made by a researcher that…

A: r = +.02 would reflect that the two variables would not be related.

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

A: We have given that,  The data set are:- X :-8, 10, 7, 13, 7, 9, 9, 10, 11, 8 Y:-61, 76, 56, 84, 62,…

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…

A:

Q: From the following data calculate Spearman's rank correlation coefficient where X and Y are the…

A: Find the Spearman's correlation coefficient: X Y 48 13 33 13 40 24 9 6 16 15 16 4…

Q: Calculate the correlation coefficient, r, for the data below. x|- 11 -9 -2 -5 -7 -8 -6 -4 -3 - 10 3…

A:

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

A: Let correlation coefficient is denoted by = r  And the total number = n

Q: Sort the correlation coefficients given below in a descending manner from strongest to the weakest.…

A: Correlation coefficient provides the information of magnitude and direction of the relationship…

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: Ten freshmen civil engincering students took a test in Mathematics (x) and Chemistry (y). Their…

A: Given data is  x 12 15 8 10 6 10 11 5 7 9 y 13 16 7 11 9 12 9 6 8 9

Q: Find the correlation coefficient between the variables X and Y presented in the table: X 1 3 4 6 8…

A: From the provided information, x 1 3 4 6 8 9 11 18 y 1 2 4 4 5 7…

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

A:

Q: e7. Calculate coefficient of correlation for the following data by short-cut method: 54 58 62 66 68…

A:

Q: The table below shows the values of x and y as follows 3 5 6 9. 10 12 Y 2 10 12 14 Find the person…

A: Given that  X.      Y  3.       2 5.       6 6.       7 9.       10  10.      12 12.       14 We…

Q: The data below are the number of hours worked (per week) and the final grades of 9 randomly selected…

A: The data below are the number of hours worked (per week) and the final grades of 9 randomly selected…