2. Find the correlation factor (coefficient) between x and y for the following se of data. Interpret the result that you obtain. 1 -2 2 3 1

Q: Calculate Karl Pearson's Coefficient of Correlation from the following data and verify that ry = Tuv…

A: Here, x y x-x y-y (x-x)(y-y) (x-x)2 (y-y)2 0 14 -5.6 4.4 -24.64 31.36 19.36 4 8 -1.6 -1.6…

Q: A. Calculate the correlation coefficient (r) for the following problems and then identify the…

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

Q: You are presented with the following data: Time spent doing homework/day (X) 0 0 0 20 30 45 80 127…

A: The following information has been provided: X Y 0 90 0 40 0 120 20 45 30 60 45 27…

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

A:

Q: If the coefficient of determination is equal to 1, then the correlation coefficient is a.

A: Given : The coefficient of determination is equal to 1

Q: If Data A has a correlation coefficient of r= -0.991, and Data B has a correlation coefficient of r=…

A: It is given that Data A has a correlation coefficient of r = -0.991. It is given that Data B has a…

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: If the correlation coefficient obtained from data pairs of variables X and Y is -0.74 the strength…

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: The table below gives the amount of Krabby Patties made by Spongebob for each year he's worked.…

A: We are given the amount of Krabby Patties made by Spongebob for each year he's worked: Years…

Q: Consider the following data: x 4.493 4.130 3.132 2.702 4.660 5.572 y 1.010 2.995 4.984 6.982 9.007…

A: The objective is to determine the correlation coefficient for the given data:

Q: Consider the following data points, where the first coordinate corresponds to x and the second…

A: Given information: S.no X Y 1 0 1 2 1 1 3 2 0 4 3 ? b1 = - 0.4  The regression…

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

A:

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

A:

Q: Which value is the correlation coefficient(r) of the following data? r | -2 | -1 | 0 | 1 | 2 |3 -2…

A: The given data values are as follows:

Q: and the r = 0.6241. What is the correlation coefficient for this data set? r =

A: We have given that  The regression equation is  y^ = 70.25 + 54.57x and r2 = 0.6241

Q: Compute the Pearson correlation for the following data. X    Y 5    3 ​5    1 ​9    5 ​1    3

A: Pearson correlation can be computed by as follows: r=n∑xy-∑x∑yn∑x2-∑x2∑y2-∑y2 X Y XY X2…

Q: A)A set of n=12 of X and Y values produces a Pearson correlation of r= -0.70.Is this a positive of…

A: Given: The sample size is n=12. The correlation coefficient is r= -0.70.

Q: b) the correlation coefficient :of this data is

A: here use basic of Correlation coefficient

Q: Explain what each of the following sample correlation co- efficients tells you about the…

A: d. The strength and direction of linear relationship between two variables is measured by…

Q: se the data given below: x              y 2.3        3.9 4           1.4 2.9        3.5 4.7…

A: x y x^2 y^2 xy 2.3 3.9 5.29 15.21 8.97 4 1.4 16 1.96 5.6 2.9 3.5 8.41 12.25 10.15 4.7 5…

Q: Which of the following statements is INCORRECT about correlation coefficient? O a. Correlation…

A: The question is about properties of correlation coefficient   To find : Incorrect statement about…

Q: Consider the following values:  ∑x=30; ∑y=111;         ∑xy=119; ∑x^2=18; ∑y^2=25; n=6.  Determine…

A: GIven data∑x=30 , ∑y=111 , ∑xy=119, ∑x2=18, ∑y2=25n=6

Q: 9. Calculate the Coefficient of Correlation between the values of X and Y from the data given below:…

A:

Q: 2. Calculate the correlation coefficient between the two variables x and y shown below: X -1 1 2 4…

A: Calculate Correlation Coefficient r without cov(x,y) from the following data X Y -1 -1 1 2…

Q: Provide an appropriate response. Which of the following values could not represent a correlation…

A: The correlation coefficient is measure the strength of the relationship between the relative moments…

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

A: In general, when the correlation coefficient is nearer to +1 or -1 then researcher can conclude that…

Q: What is the value of the linear correlation coefficient "r" for the fol y 2 4 1.

A: The formula for the relation correlation coefficient is given as follows r=∑xi-x∑yi-y∑xi-x2∑yi-y2

Q: 1. Calculate the linear correlation coefficient for the following data. X = 4,8,12, 16 and Y = 5,…

A: Given Data X = 4, 8, 12, 16 and Y = 5, 10, 15, 20

Q: Which of the following numbers could not be values of a correlation coefficient? (Select all that…

A: Which of the following numbers could not be values of a correlation coefficient? (Select all that…

Q: Find the linear correlation coefficient.

A:

Q: A value of r close to 0 indicates what type of linear correlation between the two variables?   a.…

A: A value of r close to 0 indicates that either variables have no correlation or weak correlation.

Q: Which of the following coefficient of correlation implies moderate positive correlation? 0.5 to 0.7…

A: Given : correlation coefficient is denoted by r

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: An educator wants to see how the number of absences for a student in her class affects the student's…

A: Correlation Coefficient is a denoted by r

Q: The following four data pairs have been obtained (1,5), (2,6), (4,9), (5,11). Without carrying out…

A: Option B

Q: If r is the simple correlation coefficient, the quantity r2 is known as:

A: We need to use the concept of correlation / regression analysis

Q: 1. Which of the following values cannot represent a correlation coefficient? a. r = 1.08 b. r = 0.95…

A: As per our guidelines, we are allowed to answer first question and first three sub-parts of that…

Q: Which of the following values of the correlation coefficient indicates the weakest relationship…

A: Given, the values of the correlation coefficient, To find the correlation coefficient  which…

Q: The following data comes from a study on the effects of sunlight on pea plants, where x = distance…

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

Q: Respond to the following questions about Pearson’s correlation. Which is a stronger correlation, r =…

A: Given Information: Which is a stronger correlation, r = 0.48 or r = -0.56. Correlation Coefficient r…

Q: given by the following table: y X-4 -2 2 4 -2 0 0.25 0 0 -1 0 0.25 1 0.25 0|0 2 0.25 Find the…

A: Given:         X           -4 -2 2 4 total   -2 0 0.25 0 0 0.25 Y -1 0 0 0 0.25 0.25   1…

Q: if you have the following data for x and y x 22682 y 2165 1 then the correlation coefficient between…

A:

Q: You are given the following information about x and y. xIndependent Variable yDependent Variable…

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

Q: If (r) is the correlation coefficient between two variables, then:

A: We need to use the concept of correlation

Q: As a result of the research, it was concluded that there is no relationship between the two…

A: Correlation coefficient : Correlation coefficient  is used to measures the association or linear…

Q: As a result of the research, it was concluded that there is no relationship between the two…

A:

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: 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: If the correlation coefficient obtained from data pairs of variables X and Y is 0.98 the strength…

A: correlation coefficient The correlation coefficient r measures the direction and strength of a…