in Séven students obtained the following percentage of marks in the college test (r) aN the final examination (y). Find out the coeflicient of correlation between these variables: 72 50 62 25 20 60 60 48 65 74 33 25 55 66

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The independent variable is Internet users. The dependent variable is Award winners. We have to do…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The given data is as follows:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

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

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The scatter plot for the given data is : Answer : C.  The formula for the correlation coefficient…

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: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given data, Internet users Award winners 79.8 5.6 79.8 8.9 55.8 3.2 66.2 1.8 78.5 11…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Correlation coefficient is given by,

Q: Compute the Pearson correlation for the following data.                       X        Y__ 23…

A: It is highly useful in statistics . It is used in correlation related problems .

Q: 4 Find rank correlation co-efficient for the following data and give your comments 84 Marks in…

A:

Q: Listed below are heights (in inches) and weights (in pounds) for nine supermodels. Is there a…

A: Claim : there is correlation between height and weight of all adult women.

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given data : X Y 79.9 5.4 80.4 9.3 57.1 3.3 66.5 1.7 77.5 10.5 37.9 0.1

Q: 5. The following data were obtained in a study of the relationship between the weight and chest size…

A: Correlation coefficient is denoted by r

Q: 11) a) Create a scatterplot for the following data comparing the number of employees w Leon's Pet…

A: Please refer to the image below

Q: Find the linear correlation coefficient between cumulative GPA and high school (HSP) percentile for…

A: After copying the given data in to EXCEL software,Go to Data > Data analysis > Select…

Q: Internet and Nobel Laureates Listed below are numbers of Internet users per 100 people and numbers…

A: The data shows that the number of Internet users and number of Nobel Laureates. The level of…

Q: Ten students were given tests in English and Mathematics. Their marks are given below: Student No. 1…

A: Solution:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Scatter plot :

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A:

Q: listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given data shows numbers of Internet users per 100 people and numbers of scientific award winners…

Q: From the following data of the marks obtained by 8 students in the Accountancy and Statistics papers…

A:

Q: The following tables gives the ages and blood pressure of 10 women: Age in 56 42 36 47 49 42 72 63…

A: Given Information: X 56 42 36 47 49 42 72 63 55 60 Y 147 125 118 128 145 140 155 160 149 150…

Q: The given paired data lists the heights (in inches) of various males who were measured on their…

A: Given n=6 Alpha =0.05

Q: The following statements represent the dgrees of ten students in the subjects of democracy x and…

A:

Q: The arm span and foot length were measured (in centimeters) for each of the 19 students in a…

A: From the scatter plot we see than there is a positive correlation between arm span and foot length.…

Q: The following able gives indices of industrial production of registered unemployed (in hundred…

A: Given information: The data represents the values of the variables index of production and number of…

Q: Listed below are amounts of bills for dinner and the amounts of the tips that were left. Construct a…

A: Steps to construct scatter plot in Excel: Enter the data for Bill and Tip in Excel sheet>Select…

Q: The ranking of 10 students in two subjects A and B are as follows 4 8 9 10 4 7 7 10 9 8 2 1 1…

A:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Based on x and y values given, following table is constructed to find linear correlation co…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The independent variable is Internet Users. The dependent variable is Award Winners. The given data…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Solution i) The linear correlation coefficient r = 0.773

Q: 12. (a) A sample of 10 fathers and their sons gave the following data about their height in inches :…

A: We have to solve given problem: Formula of to calculate rank correlation coeffiecient is defined…

Q: A sample data set produced the following information n=15, sum x=120, sum y=260, sum xy=3770, Sigma…

A:

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: A corporation has offices in different parts of the country. It has gathered the following…

A:

Q: 17. Find the Spearman rank correlation coefficient for the following data, which represent the…

A: The correlation is used to find the association between the two variables, where spearman rank…

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: 11) a) Create a scatterplot for the following data comparing the number of employees working at…

A: Given Data : Employees Inventory time 2 10 5 4 6 3 8 2 7 3 3 8 The scatter plot…

Q: • Ten participants in a contest are ranked by two judges as follows : x : 1 6. 10 2 4 y : 4 9. 8. 1…

A: Given x 1 6 5 10 3 2 4 9 7 8 y 6 4 9 8 1 2 3 10 5 7

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Use EXCEL to construct the scatter plot.   EXCEL procedure:     Go to EXCEL Go to Insert menu…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Calculate Correlation Coefficient r without cov(x,y) from the following data X Y 77.9 5.5…

Q: Compute Spearman's rank correlation for the following observation : 8. Candidate : 1 3. 4 6. 20 22…

A:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Enter the data in Excel.

Q: Find correlation between marks obtained by 10 students in mathematics and statistics:             x…

A:

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Enter the data in Excel.

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Solution a) Option c) shows correct scatter plot c) linear correlation coefficient r= 0.783…

Q: Listed below are the amounts of bills for dinner and the amounts of the tips that were left.…

A:

Q: The following sample observations were randomly selected. X: 5 3 6 3 4 4 6 8 Y: 13 15 7 12 13 11 9…

A: The observations of X and Y are given. Sample size 'n' is 8.

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: