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Solution - For 10 pairs of observations on two variables X and Y, the following data are available - Statistics - Karl Pearson’s Coefficient of Correlation

Question

For 10 pairs of observations on two variables X and Y, the following data are available:

sum(x-2)=30, sum(y-5)=40, sum(x-2)^2=900, sum(y-5)^2=800, sum(x-2)(y-5)=480

Find the correlation coefficient between X and Y.

Solution

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APPEARS IN

2012-2013 (March)
Question 6.2.3 | 4 marks
Solution for question: For 10 pairs of observations on two variables X and Y, the following data are available concept: Statistics - Karl Pearson’s Coefficient of Correlation. For the courses HSC Arts, HSC Commerce, HSC Commerce (Marketing and Salesmanship), HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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