Find out ‘r’.: n=16;P.E = 0.125
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Step-by-step explanation:
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The value of 'r' is
Step-by-step explanation:
Given:
N = 16
PE = 0.125
To find: Value of 'r' which is the correlation coefficient of ‘N’ pairs of observations
Formula used:
Probable Error
- Where N is the number of observations
- PE is the probable error
- r is the correlation coefficient of ‘N’ pairs of observations
Solution:
We have
N = 16
PE = 0.125
Substitute in the equation
Multiply both sides by 4
Simplify
Subtract 0.674 from both sides
Simplify
Divide both sides by -0.674
Simplify
Then the correlation coefficient of ‘N’ pairs of observations
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