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 Calculate rank correlation coefficient 653

Q: Two ladies were asked to rank 10 different types of lipsticks. The ranks given by them are as…

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Q: 10. Calculate the coefficient of correlation for the following data: 1000 1500 2000 2500 3000 500…

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

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: 5. Given the shape of the following scatterplot, what is the most likely correlation coefficient the…

A: A scatter plot is a plot that is used to display values of two variables. It is used to determine…

Q: 3. The ranks obtained by 10 reviewees in Engineering Mathematics and GEAS in class test as follows:…

A: We want to find rank correlation

Q: The values of the same 15 students in two subjects A and B are given below; the two numbers within…

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Q: The following information represents the scores that 14 students obtained 0) in Test-1 and in Test-2…

A: Given that Test 1(x) and Test 2(y) n =14, ∑y = 876, ∑y2 = 65850,  ∑x = 854, ∑x2 = 64222 and ∑xy =…

Q: 18) Based on the scatterplot, select the most likely value of the linear correlation coefficient r.…

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Q: 8. The heights (inches) and weights (pounds) of 10 college professors are randomly selected from…

A: We have given that Heights and Weight of 10 college professor  We have to test the correlation…

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

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Q: given (0,4) (2,9) (1,6) and (1,9) compute the Pearson Correlation.

A: Calculation: From the table, the summary of quantities are,

Q: An Examination of eight applicants for a clerical post was taken by a firm. From the marks obtained…

A: Correlation:   It is a statistical method that can be applied between the pairs of variables in…

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

A: Solution:

Q: The ranking of ten students in two subjects A and B are s follows: А: 3 5 4 7 10 2 1 6 6 4 9 What is…

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Q: 8. The heights (inches) and weights (pounds) of 10 college professors are randomly selected from…

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

Q: The following data show the number of hurricanes to directly strike a certain country each decade. A…

A: From the given information, the correlation coefficient is 0.947. The hypotheses are given below:…

Q: What is the answer?

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Q: Here is a bivariate data set. 57.5 37.9 62.8 107.5 195.2 | -14.9 75 59.3 59.4 47.5 36 56 52.6 55.4 y…

A: From the given information, correlation coefficient=0.640. r=0.640

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

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Q: -a 16. The ranking of 10 studenis in two subjects A and B are as follows: 4 3 6. 10 8 7 7 4. 8 10…

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Q: The following table shows the selling prices, in thousands of dollars, and the square footages of…

A: The given correlation coefficient is 0.545.

Q: Listed below are the budgets (in millions of dollars) and the gross receipts (in millions of…

A: Hypothesis :  D. Ho:ρ=0H1:ρ≠0 Correct Graph : A. Linear correlation coefficient : 1. Enter data in…

Q: 29 The values of the same 15 students in two subjects A and B are given below; the two numbers…

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Q: Here are the shoe sizes of 10 randomly selected men, along with their heights in inches. Calculate…

A: Given that n=no. of observation n=10

Q: "Based on their results, a researcher makes the interpretration that variable A is not associated…

A: Given that  The interpretation that the variable A is not associated with variable B to any…

Q: A random sample of 5 college students is selected and their grades in Example 3: Mathematics and…

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Q: Q. 13. Ten competitors in a contest were ranked by two judges in the following order: First judge 1…

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Q: 2. Compute and interpret the correlation coefficient for the following grades of 6 student selected…

A: Given: The Statistics and English grade is given as follows: Statistics Grade (X) English Grade…

Q: Question The number of murders and robberies per 100,000 population for random selection of states…

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Q: Two ladies were asked to rank 10 different types of lipsticks. The ranks given by them are as…

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

A: Solution:Mean ˉx=∑xi/n=(2+3+6+4+5)/5=20/5=4Mean ˉy=∑yi/n=(3+1+5+4+2)/5=15/5 =3

Q: 9. Compute the correlation coefficient, r, from the given table of data using a graphing calculator…

A: We haver= ∑i=1n(xi-x¯)(yi-y¯)∑i=1n(xi-x¯)2∑i=1n(yi-y¯)2n = 10 x¯ = -4-3-2-1+1+2+3+4+5+610=1.1y¯ =…

Q: calculate the Pearson Correlation Coefficient for the sample. 56 19 45 28 33 6 19 9 O0.07 O-0.07…

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

Q: 6. The competitors in a beauty contest are ranked by three Judges in the following order : 1st Judge…

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Q: 19. The values of the same 15 students in two subjects A and B are given below: 1the two numbers…

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Q: 3. The following table shows the annual income, in dollars, and amount spent on vacation, in…

A: The independent variable is INCOME. The dependent variable is VACATION. This is simple linear…

Q: 5. A University Professor would like to determine if there is a strong relationship between the…

A: In this case, the hours studied is defined as x and the exam score is defined as y.

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

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Q: 3) Use the given data to find the correlation coefficient r (formula or calculator), then do a…

A: Given data, s.no x y 1 2 5 2 3 9 3 5 15 4 6 19

Q: The competitors in asbeauty contest are ranked by three Judges in the following order 1st Jud e 7 '6…

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Q: A random sample of 7 countries gave the following figures for X = annual per capita income and Y =…

A: (1)   Use EXCEL to obtain the value correlation coefficient r:   EXCEL procedure:   Go to EXCEL Go…

Q: 6. The competitors in a beauty contest are ranked by three Judges in the following order : 1st Judge…

A: Given : The competitors in a beauty contest are ranked by three Judges in the following order…

Q: Two referees in a flower beauty competition rank the 10 types of flowers as follows: Referee A 6 5…

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Q: The following table gives the marks obtained by a student in ten tests during the year. Calculate…

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Q: The following table shows the selling​ prices, in thousands of​ dollars, and the square footages of…

A: The null and alternative hypotheses are stated below:Null hypothesis: There is no significant…

Q: A dog trainer is exploring the relationship between the weight of the dog and its daily food…

A: State the hypotheses.   Determine the decision rule. The decision rule is stated below as follows:…

Q: 20. Ten students were given tests in English and Mathematics. Their marks are given below : Student…

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Q: What is the correlation coefficient of the linear fit of the data shown below, to the nearest…

A: From the scatter plot, the data set (x, y) is (1,8), (2,8), (3,5), (4,3), (5,4), (6,1), (8,1).…