| 1 |
If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B. |
- A. Theire parts of the rectangle will overlap
- B. Their parts fo the rectangle will be equal in area
- C. Their parts of the rectangle will not overlap
- D. None of these
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| 2 |
For a binomial probability distribution:<div>n = 10 & the probability of failure (q =0.6), then mean of the distribution is .</div> |
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| 3 |
The smallest and the largest value of data are called. |
- A. Range
- B. Mid point
- C. Extreme value
- D. Arrayed value
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| 4 |
When statistics is applied in Biology then it is called: |
- A. Econometrics
- B. Statistical inference
- C. Statistical biology
- D. Biometry
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| 5 |
The average of lower and upper class limits is called. |
- A. Class boundary
- B. class frequency
- C. Class mark
- D. Class limit
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| 6 |
Random number can be generated manully by |
- A. Dawing cards from numbered cards
- B. Roitaing or spinning numbered wheels
- C. Use of random numbers table
- D. All of these
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| 7 |
The sum of squared deviation is minimum, when deviation are taken form |
- A. Mean
- B. Median
- C. Mode
- D. None of these
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| 8 |
"P" or "q" can not be greater than |
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| 9 |
If X and Y are independent random variables , the E (XY) is equal to. |
- A. E(XY)
- B. E(X) E(Y)
- C. XE(Y)
- D. YE(X)
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| 10 |
First moment about mean is always equal to |
- A. One
- B. Negative
- C. Zero
- D. Positive
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