9.3.1.Example 1

Unit 9 - Correlation and regression

9.3.1.Example 1
The total length and standard lengths of 15 fishes of a particular species were measured. Work out the coefficient of correlation for the data given below:

tabel1

Answer:

table2

Then the Correlation coefficient is given by,

Image1

Interpretation
Since r = 0.99, we infer that there is high degree of positive correlation between total length (X) and standard lengths (Y) of 15 fishes of a particular species.
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