Obtain the most suitable correlation coefficient (Pearson or Spearman) for the following exercises and justify the method: We want to analyze if there is a correlation between the grades obtained in mathematics and those obtained in history, for which 6 students have been selected: Math (x) History (Y) ww ww 10 8 8 9. 9. 10 7 7 6

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Q: Calculate the correlation coefficient from the following results N-10, ΣX- 350/ Σ Υ- 310 Σ (X-35=…

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Q: QI For the next data ,the correlation factor (r) is : * 2 5 8 11 14 And

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A: The set of values of X & Y is given as : X Y 4 5 6 5 3 2 9 4 6 5 2 3

Q: 6) For the data below, determine the value of the linear correlation coefficient r between y and x2.…

A: data for x = [1.2, 2.7, 4.4, 6.6, 9.5]consider data for x^2 = Z =  [1.44, 7.29, 19.36, 43.56,…

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

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Q: Find the coefficient of determination r2, given that the value of the linear correlation…

A: It is given that The correlation coefficient is r = 0.611

Q: For the data in the table below, compute the Pearson correlation. Enter your responses in the blanks…

A: x y x-x y-y (x-x)(y-y) (x-x)2 (y-y)2 1 2 -3 -2 6 9 4 2 3 -2 -1 2 4 1 4 2 0 -2 0 0 4 5 6 1 2…

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: The correlation coefficient is used to measure the association between two variables. The…

Q: The data for the students Number of study hours \(x\) and Grde Points Average \(y\) 9 6 7 12 2.7 3.3…

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Q: A study of bone density on 55 random women at a hospital produced the following results. Age 3737…

A: Step-by-step procedure to find the sample correlation coefficient using Excel: In Excel sheet,…

Q: The data below shows the selling price​ (in hundred​ thousands) and the list price​ (in hundred​…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The relationship between the number of hours a person practices a task and the time it takes them to…

A: The value of correlation coefficient is obtained below:From the given information the value of r2 =…

Q: Calculate the correlation coefficient, r, for the data below. X 1 3 10 7 5 4 689 2 Y 13 - 11 6 -2 -…

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Q: For the data below, determine the value of the linear correlation coefficient r between y and x. x…

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Q: Which of the following statements about correlation r = 0.923 is TRUE? Circle ONE answer. No…

A: Given

Q: For the data below, compute the Pearson correlation.   X Y 7 3 3 1 6 5 4 4 5 2

A: From the provided information, (x) (y) 7 3 3 1 6 5 4 4 5 2

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

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Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: For the data below, compute the Pearson correlation. X Y 1 2 2 3 4 2 5 6 8 7

A: Enter the given data in Excel as follows:

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: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: 6) For the data below, determine the value of the linear correlation coefficient r between y and x2.…

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Q: Obtain the most suitable correlation coefficient (Pearson or Spearman) for the following exercises…

A: As the given data is of subject scores. It is rank-based ordered data so, Spearman's coefficient of…

Q: 14) For the data below, determine the value of the linear correlation coefficient r between y and x.…

A: The following table is used to calculate the linear correlation between y and x2, x2 is denoted as x…

Q: If you did a hand calculation for a Spearman correlation coefficient and obtained r= 1.3 you would…

A: We know that the Spearman correlation coefficient is a statistical tool to measure the strength of…

Q: In a university where calculus is a prerequisite for the statistics course, a sample of students was…

A: Given: Calculus Statistics 62 83 67 72 92 87 84 78 87 79 84 79 75 85 55 60

Q: For the data below, compute the Pearson correlation. By hand X Y 1 2 2 3 4 2 5 6 8 7

A: Solution: The given data is

Q: Calculate the correlation coefficient, r, for the data below. x-14 -12 -5 -8 -10 -11 -9 -7 -6 -13 -…

A: Given data is x -14 -12 -5 -8 -10 -11 -9 -7 -6 -13 y -1 1 18 10 7 3 8 12 15 1

Q: iii. Using the results in part (b)i. and ii. above, and the following result > XY = 4,566, calculate…

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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: find the coefficient of determination, given that the value of the linear correlation coefficient,r,…

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Q: Compute the pearson correlation.

A: It is an important part of statistics. It is widely used.

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

A: Here from the given information we find correlation coefficient and test for it.

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A: Correlation: The extent linear relation between the two variables is called correlation. The formula…

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

A: a) overhead width weight 7 107.00 7.7 174.00 9.8 248.00 9.2 196.00 8.8 202.00 8.3…

Q: Q2: A scientist wanted to see the association between shrimp length and its weight. He carried out…

A: Given data and calculation is shown below Shrimp Length(x) Shrimp Weight(y x2 y2 xy 0.6 51…

Q: The Spearman correlation is like the Pearson correlation except that it uses _____ instead of _____.…

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Q: The table below summarizes x and y values. Find the sample correlation coefficient, rxy using the…

A: The data shows the x and y values to calculate the sample correlation coefficient.

Q: The following exercises are based on the following sample data consisting of numbers of enrolled…

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Q: Below aré the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of…

A: Given : x y 7.1 112 7.5 178 9.6 238 9.4 205 8.8 204 8.2 188 Hence, Option B

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: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: We want to test the hypothesis

Q: e. Compute the covariance and correlation coefficient r between the right tire pressure. f. How do…

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Q: Directions. Test the significance of the following correlation coefficients. 1. 0.62 72 18 a 0.05

A: Note: Hi! Thank you for your question. As per the guideline we can solve one question at a time in…

Q: QI For the next data ,the correlation factor ( r) is : * x: 2 5 y = 4 x 8. 8 11 14 |And

A: In this case, it is given that y=4x The table represents the value of x and y. x y 2 8 5 20…

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: + 1.2 2.7 4.4 6.6 9.5 y 1.6 4.7 9.9 24.5 39.0

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.