The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Calculate the correlation coefficient, r. Temperatur, x 70 83 89 88 86 96 73 98 78 Number of absences, y 6 10 13 13 11 18 7 18 8 A. 0.819 B. 0.890 RE C. 0.881 OD. 0.980

Q: The director of an alumni association wants to determine whether there is any type of relationship…

A:

Q: Here is a bivariate data set. x y 61 47 90 27 69 44 73 40 86 35 103 17 80 36 Find the correlation…

A: The correlation coefficient r, for bi-variate data (x,y) is given by the formula, Where n= sample…

Q: A student conducted a correlation analysis and obtained the following values: weight, X TSC, Y X*X…

A: Solution:-  Given data:   Σx=288, Σy=14.9,  Σx2=17064   Σy2=51.87, Σx.y=896.5To calculate the…

Q: The data below is 8 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A: Correlation:   A statistical method that is applied between the pairs of variables to check how the…

Q: If r,, = 45, r, = .37 and r, , = .52 23 13 Find the Coefficients of multiple correlations.

A:

Q: The following data gives the number of hours 77 students spent studying and their corresponding…

A: Hours spent studying(x) Midterm Grades(y) 0.5 66 2.5 72 3 78 3.5 81 4.5 90 5 93 5.5 96

Q: The data below are the temperatures on randomly chosen days during a summer class and the number of…

A: Let X denote the temperature Let Y denote the number of absences Calculation:

Q: The following data displays the temperature of the day (K) and the number of people at ne beach.…

A: Given: The sample values of temperature and number of people given is follows Let x be the…

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: X Y 3 3 6 9 5 8 4 3 7 10 5 9   Compute the Pearson correlation to measure the degree of…

A:

Q: Assume that the computed correlation between x and y is -0.13. Suppose we define new variable s = -x…

A:

Q: For the data below, compute the Pearson correlation. X Y 3 4 2 5 1 9 6 2 Find coefficient of…

A:

Q: Obtain the linear correlation coefficient for the data. Round your answer to three decimal places.…

A: The value for x and y are given.

Q: x y 55 75 55 64 72 48 50 49 60 76 55 74 56 75 73 58 Find the correlation coefficient and report it…

A: n=8

Q: 2. Calculate Karl Pearsons co-efficient of correlation from the students. n Inches: x = 62 58 65 y =…

A: Given: The values are as follows x y 62 50 58 43 65 51 63 52 56 48 59 51 60 53…

Q: The data below are the temperatures on randomly chosen days during a summer class and the number of…

A:

Q: Roy is investigating how long his phone's battery lasts (in hours) for various brightness levels (on…

A: For the given data Correlation ( r ) =?

Q: Annual high temperatures in a certain location have been tracked for several years. Let X represent…

A: Correlation:   A statistical method that is applied between the pairs of variables to check how…

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: The data below is 14 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A:

Q: The data below is 14 observations of hog heart girth (in) (x) and hog weight (lb) (y). Calculate the…

A:

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: 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: The data below is 12 observations of Fall semester student credit hours (x) and Spring semester…

A: We have given that,  X :- 6, 11, 16, 12, 7, 10, 8, 15, 13, 9, 5, 14 Y:- 3, 15, 13, 16, 9, 7, 4, 18,…

Q: Annual high temperatures in a certain location have been tracked for several years. Let X represent…

A: X Y X \cdot YX⋅Y X^2X2 Y^2Y2   2 9.03 18.06 4 81.5409   3 7.74 23.22 9 59.9076   4 5.05 20.2…

Q: Calculate co-efficient of correlation from the following information by taking deviation from actual…

A: Correlation is the degree or extent of relationship between two variables.

Q: 1) An emergency service wishes to see whether a relationship exists between the outside temperature…

A: a) Scatter plot: Steps to construct scatter plot in Excel: Enter the data for x and y in Excel…

Q: Annual high temperatures in a certain location have been tracked for several years. Let XX represent…

A:

Q: calculate the correlation coefficient (to three decimal places) between XX and YY. Use Excel! Just…

A: To find the correlation by using Excel, steps are as follows: Step 1: Enter the data into an Excel…

Q: Annual high temperatures in a certain location have been tracked for several years. Let XX represent…

A:

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

A: It is given that the number of absences and the final grades of 9 randomly selected students from a…

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 (to three decimal places) between XX and YY. Use your…

A:

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

A: