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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 3x−4y+8=0 and 4x−3y−1=0.

[NDA-II 2021]

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Question : 27

Total: 44

Consider the following statements :
1. The coefficient of correlations r is ‌

.
2. The means of x and 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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