Sum of deviations of the variable Y from its mean is always equal to _____?
- Same
- One
- Zero
- Negative
Explanation
The sum of deviations of a variable Y from its mean is always equal to Zero.
This is because deviations are calculated as Y, and their sum always cancels out to zero.
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- 10 and 30
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اس سوال کو وضاحت کے ساتھ پڑھیں
- (t² + 4)(t - 2)(t - 2)
- (t² - 4)(t² - 4)
- (t² + 4)(t + 2)(t - 2)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- +4
- -4
- +16
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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