| 1 |
Coded method of calculation is nly used in |
- A. A.M
- B. Median
- C. Combined mean
- D. None of above
|
| 2 |
The elimination of extreme scores at the bottom of the set has the effect of. |
- A. Difficult to tell
- B. Lowering the mean
- C. Raising the mean
- D. No effect
|
| 3 |
The measures of central tendency listed below are. |
- A. the mean
- B. The range
- C. Standard deviation
- D. The variance
|
| 4 |
The sum of the deviations is zero when the deviations are taken from |
- A. Mean
- B. Median
- C. Mode
- D. Weighted mean
|
| 5 |
We must arrange the data before calculating. |
- A. Mode
- B. G.M
- C. Mean
- D. Mediam
|
| 6 |
The mean of a constant 'a' is. |
- A. a/2
- B. a2
- C. 0
- D. None of above
|
| 7 |
The sun of deviation of observation is zero, when deviations are taken from. |
- A. Mode
- B. Median
- C. Mean
- D. None of above
|
| 8 |
The mode of the letters in the word STATISTICS is. |
- A. l
- B. S
- C. S and T
- D. T
|
| 9 |
In a symmetrical distribution, mean , median and mode are always. |
- A. Different
- B. Zero
- C. Identical
- D. Negative
|
| 10 |
Sample mean is |
- A. Variable
- B. Statistic
- C. Parameter
- D. Constant
|