1 |
Paasche's index is also called |
Consumer price index
Current year price
Simple index
Cost of consumption
|
2 |
Karl Pearson's 1st co-efficient of skewness is given by formula |
None of these
|
3 |
Lack of symmetry is called |
Kurtosis
Skewness
Normality
All of them
|
4 |
Second moment about mean is called |
Standard deviation
Mean deviation
Variance
Coefficient of variation
|
5 |
First moment about mean is always equal to |
One
Negative
Zero
Positive
|
6 |
The variance of constant is always |
Constant
One
Positive
Zero
|
7 |
The positive square root of the mean of the squares of deviations of values from their mean is |
Variance
Covariance
Standard deviation
Standard error
|
8 |
The mean deviation can never be |
Positive
Negative
Zero
None of these
|
9 |
The mean of the absolute deviations of observations from mean, median or mode is called |
Quartile deviation
Absolute deviation
Mean
Mean deviation
|
10 |
The value of quartile deviation is always |
Positive
Zero
Negative
None of these
|
11 |
The difference between largest and smallest observation is called |
Interval
Class interval
Range
Difference
|
12 |
Co-efficent of quartile deviation can be calculated by the following formula |
|
13 |
Co-efficent of standard deviation can be measured by the following formula |
|
14 |
Pearson's co-efficient of skewness is positive when distribution is |
Negatively skewed
Positively skewed
Symmetrical
Leptokurtic
|
15 |
β1 is a quantity |
Dimensional
Dimension less
Positive
Negative
|
16 |
β is a letter |
German
Greek
Latin
Dutch
|
17 |
For symmetrical distributions the values of co-efficent of skewness is |
Negative Number
Positive Number
Imaginary Number
Pure Number
|