| 1 |
A student soved 25 questions from first 50 questios of a book to be solved. The prob, that he will solve the remaining all questions. |
- A. 0.25
- B. 0.51
- C. 1
- D. 0
|
| 2 |
Statistics must be |
- A. Comparable
- B. Not comparable
- C. Qualitative only
- D. NOne of these
|
| 3 |
The change is whole sale or retail are studied ___________ |
- A. Price index number
- B. Quantity index number
- C. Volume index number
- D. None of these
|
| 4 |
The sum of squared deviation is minimum, when deviation are taken form |
- A. Mean
- B. Median
- C. Mode
- D. None of these
|
| 5 |
Mean of hypergeometric distribution is |
|
| 6 |
The mean deviation can never be |
- A. Positive
- B. Negative
- C. Zero
- D. None of these
|
| 7 |
Hourly temperature recorded by weather brave is the example of: |
- A. Discrete variable
- B. Continuous variable
- C. Qualitative
- D. Both A and B
|
| 8 |
Which is the suitable average for calculting the average price at which articles are sold. |
- A. Geometric mean
- B. Arithmetic mean
- C. Harmonic mean
- D. Mode
|
| 9 |
In which distribution the successive trails are with replacement. |
- A. Hypergometric distribution
- B. Bionomial distribution
- C. Continuous distribution
- D. None of these
|
| 10 |
If n is the number of elements of a set. the total numebr of subsects of this set in |
- A. 2n
- B. n2
- C. 2<sup>n</sup>
- D. n
|
