Compute Spearman's rank correlation for the following observation : 8. Candidate : 1 3. 4 6. 20 22 28 23 30 30 23 24 Judge X : Judge Y 28 24 24 25 26 27 32 30 Marks are awarded out of 35.

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

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Q: The scores of 7 students on the midterm exam and final exam were as follows. Student Midterm Final…

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Q: ja) From the following data calculate the rank correlation coefficient after making adjustment for…

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Q: You wish to determine if there is a linear correlation between the two variables at a significance…

A: The null and alternative hypotheses are: H0: ρ=0 H1: ρ≠0

Q: The ranking of 10 students in two subjects A and B are as follows: A в A B 4 8. 9. 10 3 4 7 7 10 9.…

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

A: Correlation coefficient is given by,

Q: Calculate Karl pearson’s coefficient of correlation from the following data: Husband’s Age 24 27 28…

A: Given: Husband's age, x Wive's age, y 24 18 27 20 28 22 28 25 29 22 30 28 32 28…

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

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Q: At the .05 significance level, does the data below show significant correlation? X y 16.05 4 21.1 5…

A: 1. The correlation coefficient is 0.9376 using the Excel formula “=CORREL(F1:F14,G1:G14)” 2) The…

Q: Calculate Karls Pearson’s coefficient of correlation  from the following data.  Husband’s  Age :  24…

A: Given : Husband's Age Wives Age 24 18 27 20 28 22 28 25 29 22 30 28 32 28 33 30…

Q: 22. Compute Spearman's rank correlation for the following observation :w Candidate 4 7. Judge X 20…

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Q: You wish to determine if there is a linear correlation between the two variables at a significance…

A: let us first define the null and alternative hypothesis for the correlation test: ρ=population…

Q: in Séven students obtained the following percentage of marks in the college test (r) aN the final…

A: We have given that,  X :- 50, 62, 72, 25, 20, 60, 60 Y:- 48, 65, 74, 33, 25, 55, 66 Then,  We will…

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

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Q: The table below summarizes the calories and fat grams in 10 randomly selected items on McDonald's…

A: Solution: The correlation coefficient can be calculated by using the following formula: Let X be…

Q: Suppose that for a set of (x,y) data, r = 0.36. Find the linear correlation coefficient. Do not…

A: Here the coefficient of determination is given as 0.36, from this value we need to compute the value…

Q: 10. Make a table that has a strong positive correlation. y

A: X Y 1 10 2 19 3 30 4 41 5 50

Q: Estimate the most likely degree of correlation for each of the following scatterplots: 95. 90- as we…

A: The degree of association between the two numerical variable is understand using the correlation…

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: The following bivariate data set contains an outlier. X y 69.5 1231.5 52.6 -468 80.8 2623.2 44.4…

A: Use EXCEL to obtain the value correlation coefficient r with the outlier.   EXCEL procedure:   Go…

Q: Based on the given data, is the purchase of hot dogs independent of the purchase of hamburgers? If…

A: Given data:   Hot Dogs Hot Dogs¯ Sum Hamburger 2000 500 2500 Hamburger¯ 1000 1500 2500…

Q: Is there a significant linear correlation between the following variables (x and y)? Subject ID 1 2…

A: “Pearson’s Correlation”, a linear correlation is denoted by r” and the value will be between -1 and…

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: The following bivariate data set contains an outlier. y 61.5 -49.2 74.4 189.1 84. 156.4 71.3 60.1…

A: Solution

Q: 8. Compute Rank correlation from the following table. X: 415 434 420 430 424 428 Y: 330 332 328 331…

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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: In the table below are the scores of the students in General Mathematics and Physics. Calculate the…

A: Given that  Let X denotes the scores of General Mathematics and Y denotes the scores of Physics To…

Q: 5. Calculate coefficient of rank correlation for the following data: 60 34 40 50 45 41 22 43 42 66…

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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: Calculate the co-efficient of rank correlation from the following data. Price of Coffee Price of Tea…

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Q: Calculate the co-efficient of correlation for the following ages of husbands and wifes : Husband's…

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Q: Compute Spearman's rank correlation for the following observation : Candidate : 1 2 3 4 5 6. 7 8…

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Q: 2. Graph the following points, and draw in the line of best fit. Comment on the fit of this line,…

A: Given data: x y 1 -1 2 2 3 4 4 8 5 9 6 13 7 17 28 52

Q: A zero correlation bewteen X and Y is least likely to occur if?

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

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: 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: A group of research students wants to determine whether there is a correlation between the number of…

A: From the provided information, Sample size (n) = 10 x y 6 3 15 6 30 15…

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: Suppose that for a set of (x,y) data, r² = 0.2916. Find the linear correlation coefficient. Do not…

A: Provided information: For a set of (x,y) data,r2 = 0.2916

Q: Compute Spearman's rank correlation for the following observation : Candidate : 1 2 3 4 5 6 7 8…

A: Data given  X 20 22 28 23 30 30 23 24 Y 28 24 24 25 26 27 32 3

Q: Here is a bivariate data set. y 30.4 1.4 28.5 37.7 34.4 46.8 47.9 29.8 23.3 6.3 46.3 32.9 56.6 64.6…

A: From the given data we find the correlation coefficient.

Q: 10 8 9 11 6 4 7 13 12 14 y 9.14 8.14 8.77 9.26 6.13 3.10 7.26 4.74 8.74 9.13 8.1

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Q: What is the correlation coefficient for this data set?        r =  (report answer accurate to at…

A: Given:  n=21 x y 25.2 64.3 15.3 79.6 39 49.8 30 75.1 14.8 82.2 15.7 69.9 4.3 92.5…

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

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Q: Use the data from the following four stocks to answer the questions below:   Yields Year TLS DI…

A: Enter this data into Excel (a) We will calculate the correlation coefficient between TLS and DI…

Q: State whether the following Scatter plot has: 1 - Positive correlation 2 - Negative correlation 3 -…

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Q: The following table shows the experience (in years) and the number of houses sold during the…

A: Calculate Correlation Coefficient r and line of best fit from the following data X Y 10 8 2 3…

Q: A statistic teacher recorded the Math and Science test scores of twelve students from one section.…

A: Correlation between X and Y: r=0.922.