Question

Given n = 10, EX = 25, DY = 5, EX2 = 650, SY2 = 290, EXY = 335
On verification it was found that the pair (X = 10, Y = 4) was copied wrongly, the correct values
being (X = 12, Y = 9). Find the correct value of correlation.​

Answer 1

Answer:

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Answer 2

Answer:

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.