Which statement is TRUE? Variance becomes zero only when every observation is identical., Variance measures central tendency., Variance is always equal to Standard Deviation., None of these
- Variance becomes zero only when every observation is identical.
- Variance measures central tendency.
- Variance is always equal to Standard Deviation.
- None of these
Explanation
- Variance is zero only when all observations have the same value.
- Variance measures dispersion (spread).
- Variance is calculated from squared deviations from the mean.
- Since squared deviations cannot be negative, variance cannot be negative.
Last verified on 21-08-2026
Related MCQs
پاکستان میں پبلک ایڈمنسٹریشن کی تعلیم بنیادی طور پر کن نظاموں سے متاثر ہوئی ہے؟
- French and German systems
- British and American systems
- Chinese and Russian systems
- Japanese and Indian systems
اس سوال کو وضاحت کے ساتھ پڑھیں
- 5%
- 7%
- 9%
- 12%
اس سوال کو وضاحت کے ساتھ پڑھیں
- Rs. 35,000
- Rs. 39,727
- Rs. 45,000
- Rs. 50,000
اس سوال کو وضاحت کے ساتھ پڑھیں
اگر بانڈ اپنی اصل قیمت سے زیادہ قیمت پر فروخت ہو رہا ہو تو کون سا بیان درست ہے؟
- YTM is higher than the coupon rate
- YTM is equal to the coupon rate
- YTM is lower than the coupon rate
- YTM is unrelated to the coupon rate
اس سوال کو وضاحت کے ساتھ پڑھیں
- One-third
- Same
- Three times
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
