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NDA Math Statistics Part 2

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Direction : Consider the following for the next two (02) items that follow.

Two regression lines are given as

3 x-4 y+8=0

and

4 x-3 y-1=0

.

[NDA-II 2021]

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Question : 27 of 44

Marks: +1, -0

Consider the following statements :

1. The coefficient of correlations

r

\;\frac{3}{4}

2. The means of

x

y

are 3 and 4 respectively.

Which of the above statements is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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