| 1 |
The elimination of extreme scores at the top of the set has the effect of. |
Raising the mean
Lowering the mean
No effect
None of above
|
| 2 |
The mode of the letters in the word STATISTICS is. |
l
S
S and T
T
|
| 3 |
The sun of deviation of observation is zero, when deviations are taken from. |
Mode
Median
Mean
None of above
|
| 4 |
Coded method of calculation is nly used in |
A.M
Median
Combined mean
None of above
|
| 5 |
For the given data 2,4,8,7,-9 , G.M. will be. |
Undefined
Zero
Negative
Positive
|
| 6 |
If any value in the data is zero, then it is not possible to have. |
H.M
A.M
G.M
Median
|
| 7 |
The mean of a constant 'a' is. |
a/2
a2
0
None of above
|
| 8 |
Sample mean is |
Variable
Statistic
Parameter
Constant
|
| 9 |
In a symmetrical distribution, mean , median and mode are always. |
Different
Zero
Identical
Negative
|
| 10 |
The sun of the deviations of a set of n values from means is. |
Zero
Positive
Negetive
Least
|
| 11 |
Scores that differ greatly from the measures of central tendency are called. |
The best scores
Extreme scrores
Raw scores
None of above
|
| 12 |
The measures of central tendency listed below are. |
the mean
The range
Standard deviation
The variance
|
| 13 |
Median is graphically obtained by using. |
Histogram
Ogive
Frequency curve
None of these
|
| 14 |
Which of the following steps is not involved in the formation of frequency distribution. |
Editing
Range
Number of classes
Class intervel
|
| 15 |
The arrangment of sector in a pie chart is. |
Random
Ascending order
Clock wise
Anti clock wise
|
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