| 1 |
If x̅ = 10 and Y = 5 +2x, then Y̅ is. |
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| 2 |
If a distribution has two modes, than it is called. |
- A. Uni- model
- B. Bi - mdoel
- C. Tri-model
- D. Multi model
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| 3 |
When a distribution is symmetrical and has one mode, the highest point on the curve is called the. |
- A. Mode
- B. Median
- C. Mean
- D. All of these
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| 4 |
Departure from symmetry is called. |
- A. Kurtosis
- B. Skewness
- C. Dispersion
- D. None of these
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| 5 |
Code method of calculation is only used in: |
- A. Median
- B. Combined mean
- C. A.M
- D. None of these
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| 6 |
Mean is affected by the change of. |
- A. Origin
- B. Scale
- C. Both a and b
- D. None
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| 7 |
The mean of the first n natural numbers is. |
- A. n(n+1)2
- B. (n+1)/2
- C. (n-1)/2
- D. n/2
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| 8 |
The mean of a constant 'a' is. |
- A. 0
- B. a/2
- C. a<sup>2</sup>
- D. P<sub>75</sub>
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| 9 |
The mean of a constant 'a' is |
- A. 0
- B. a/2
- C. a<sup>2</sup>
- D. None of these
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| 10 |
Sample mean is an |
- A. Estimated statistic
- B. Updating statistic
- C. Biased statistic
- D. Unbiased statistic
|