| 1 |
In fixed base method, the base period should be. |
- A. Far away
- B. Normal
- C. Un reliable
- D. Abnormal
|
| 2 |
The difference between largest and smallest observation is called |
- A. Interval
- B. Class interval
- C. Range
- D. Difference
|
| 3 |
The probability of a continuous random variable at x = a is --------------- |
- A. One
- B. Zero
- C. Between 0 and 1
- D. More than one
|
| 4 |
Binomial distribution is negatively skewed if. |
- A. p < q
- B. p > q
- C. p = q
- D. np = npq
|
| 5 |
The mena is affected by |
- A. Change of origin
- B. Scale of measurement
- C. Both a and b
- D. None of these
|
| 6 |
The process of arranging data into rows and columns is called. |
- A. Freqeuncy distribution
- B. Classification
- C. Tabulation
- D. Array
|
| 7 |
Fist moment about origin in is always equal |
- A. Mean
- B. Variance
- C. Zero
- D. 1(One)
|
| 8 |
In a symmetrical distribution, the coefficient of skewness will always be. |
- A. Negative
- B. zero
- C. 1
- D. -1
|
| 9 |
Index for base period is always take as. |
- A. zero
- B. one
- C. 200
- D. 100
|
| 10 |
If x is a random variable with E(x) = 5 then E (3x - 2) = |
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