1 |
The mean of a constant 'a' is. |
a/2
a2
0
None of above
|
2 |
Sample mean is |
Variable
Statistic
Parameter
Constant
|
3 |
In a symmetrical distribution, mean , median and mode are always. |
Different
Zero
Identical
Negative
|
4 |
The sun of the deviations of a set of n values from means is. |
Zero
Positive
Negetive
Least
|
5 |
Scores that differ greatly from the measures of central tendency are called. |
The best scores
Extreme scrores
Raw scores
None of above
|
6 |
The measures of central tendency listed below are. |
the mean
The range
Standard deviation
The variance
|