1 |
During frequency distribution number of groups should be between........ |
5 and 10
10 and 15
10 and 20
5 and 15
|
2 |
The class having maximum frequency is called................. class. |
Model
Median
Lower
Upper
|
3 |
The arrangement of data is necessary to find the value of. |
Mean
Median
Mode
Range
|
4 |
The size of class interval (6-10) is. |
4
5
8
10
|
5 |
The positive square coot of mean of the squared deviations of x1 (i = 1,2..........n) observation from their arithmetic mean is called. |
Harmonic mean
Range
S.D
Variance
|
6 |
The mean of the squared deviations of x1,(i = 1,2.........,n) observations from their arithmetic mean is called..................... |
Variance
Standard deviation
Range
Mode
|
7 |
The extent of variation between two extreme observations of a data set is measured by....................... |
Average
Range
Quartiles
Mode
|
8 |
The measures that are used to determine the degree or extent of variation in a data set are called measures of........................... |
Dispersion
Central tendency
Average
Quartile
|
9 |
The spread or scatierness of observations in a data set is called. |
Average
Dispersion
Central tendency
Quartile
|
10 |
The observation that divide a data set into four equal part, are called. |
Decites
Quartiles
Percentiles
Mode
|
11 |
The measure which determines the middlemost observation in a data set is called................... |
Median
Mode
Mean
Variance
|
12 |
The most frequently occurring observation in a data set is called. |
Mode
Median
Harmonic mean
Mean
|
13 |
The value obtained by reciprocating the mean of the reciprocal of x1,x2,x3..............x11 observation is called.................... |
Geometric mean
Median
Harmonic mean
S.D
|
14 |
The nth positive root of the product of the x1,x2,x3,..............x11 observation is called. |
Mode
Mean
Geometric mean
Median
|
15 |
Sum of the deviations of the variable x from its mean is alwyas.... |
Zero
One
Same
Negative
|