Question

EXERCISE 4
1. Calculate Karl Pearson's coefficient of correlation for the following distribution:
300-400 400-500 500 000
600-700
3
7
10-13
15 30
12
3
6
8
25-30
Also calculate its probable error.
[Ans.r -0.438, PE =0.0544)
mon marks and age from the following data:​

Answer 1

Answer:

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