| 1 |
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
|
| 2 |
For the given data 2,4,8,7,-9 , G.M. will be. |
- A. Undefined
- B. Zero
- C. Negative
- D. Positive
|
| 3 |
The measures of central tendency listed below are. |
- A. the mean
- B. The range
- C. Standard deviation
- D. The variance
|
| 4 |
Coded method of calculation is nly used in |
- A. A.M
- B. Median
- C. Combined mean
- D. None of above
|
| 5 |
The sun of deviation of observation is zero, when deviations are taken from. |
- A. Mode
- B. Median
- C. Mean
- D. None of above
|
| 6 |
Extreme scores willhave the following effecton the median of an examination. |
- A. They land to raise it
- B. They may tend to lower it
- C. They may have no effect on it
- D. They tend to lower it
|
| 7 |
The sum of the deviations is zero when the deviations are taken from |
- A. Mean
- B. Median
- C. Mode
- D. Weighted mean
|
| 8 |
In a symmetrical distribution, mean , median and mode are always. |
- A. Different
- B. Zero
- C. Identical
- D. Negative
|
| 9 |
Suitable averagefor averaging the shoe sizes for children is |
- A. Median
- B. Mode
- C. Mean
- D. G.M
|
| 10 |
Artithmetic mean of a data is 32. If 5 is added to each item of the same data., what would the new arithmetic mean be. |
|