Life of a T.V picture tube is a:___________?

Related Mcqs:

1. Life of a T.V picture tube is a____________?

   A. Discrete variable
   B. Continuous variable
   C. Qualitative variable
   D. Constant

2. The picture cards having in total fifty two cards is equal_________________?

   A. 16
   B. 24
   C. 12
   D. Non of these

3. The probability of drawing a picture card out of 52 cards is : ______________?

   A. 13/52
   B. 12/52
   C. 16/52
   D. 3/52

4. Statistics are ___________ expressed?

   A. Descriptive
   B. Ability
   C. Qualitatively
   D. Quantitatively

5. ___________ data are collected for the first time.

   A. Research
   B. Statistical
   C. Secondary
   D. Primary

6. f1x12 + f2x22 + —————+ fxx42=___________?

   A. Σu1=1 ƒ ixi2
   B. Σni-1 ƒ ixi2
   C. Σpi=1 ƒ ixi2
   D. Σmi=1 ƒ ixi2

7. The data obtained very first are called:___________?

   A. Primary data 
   B. Secondary data
   C. Raw data
   D. None of these

   Submitted by: Nimra Shaheen

8. The term variance introduced by ___________?

   A. Ronald Fisher
   B. Karl Pearson
   C. John Tukey
   D. None of these

   Submitted by: Nimra Shaheen

9. For two independent random variables X & Y, Var (x ± y)=___________?

   A. Var(X) + Var (Y)
   B. Var(X) – Var (Y)
   C. Var (X)±
   D. Zero

10. If 5 dice are rolled 96 times then N. =___________?

    A. 5
    B. 96
    C. 5/96
    D. 96/5