| 1 |
The measure of central tendency which is not affected by extreme values is called: |
- A. Median
- B. Arithmetic mean
- C. Geometric mean
- D. None of these
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| 2 |
Standard deviation is denoted by |
- A. x
- B. S
- C. S<sup>2</sup>
- D. X<sup>2</sup>
|
| 3 |
Mode from the following data ,4.4,5.5,6.6,7.7,8.8,6.5,6.5,7 is.......... |
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| 4 |
The concept of antilogarithm is used to find the value of.............. |
- A. A.M.
- B. G.M.
- C. H.M
- D. Mode
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| 5 |
Sec<sup>2</sup> θ -tan<sup>2</sup>θ =______________. |
- A. sec<sup>2</sup>θ
- B. cos<sup>2</sup>θ
- C. 1
- D. sin<sup>2</sup>θ
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| 6 |
A deviation is defined as a difference of any value of the variable from a. |
- A. Constant
- B. Historgram
- C. Sum
- D. Product
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| 7 |
If the rotation of the ray is clockwise, the angle is _____________ in measure: |
- A. positive
- B. negative
- C. initial
- D. terminal
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| 8 |
Variance is denoted by........................... |
- A. V
- B. S
- C. S<sup>2</sup>
- D. X
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| 9 |
Sum of deviations of the variable X from its mean is always_____________ |
- A. Zero
- B. One
- C. Same
- D. None
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| 10 |
The positive square root of mean of the squared deviation of X,{1=1,2,3,.......n) observations from their arithmetic mean is called. |
- A. Harmonic mean
- B. Range
- C. Standard deviation
- D. Variance
|