| 1 |
Arithmetic mean is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their: |
Number
Group
Denominator
|
| 2 |
In a cumulative frequency Polygon frequencies are plotted against: |
Mid points
Upper class boundries
Class limits
|
| 3 |
A cumulative frequency table is also called: |
Frequency distribution
Data
Less than cumulative frequency distribution
|
| 4 |
A frequency polygon is a many sided: |
Closed figure
Rectangle
Square
|
| 5 |
A histogram is a set of adjacent: |
Squares
Rectangles
Circles
|
| 6 |
A grouped frequency table is also called: |
Data
Frequency distribution
Frequency Polygon
|
| 7 |
To find the public opinion or trend the most suitable statistics is: |
Mean
Median
Mode
Variance
|
| 8 |
In a set of observation. 5,5,7,9,9,9,9,11,11,11,11,12,12 the mode is: |
9
11
Both 9 and 11
None of these
|
| 9 |
The sum of 30 observations is 1500. Its average will be: |
1500
150
15
None of these
|
| 10 |
The average pocket money of 30 students is Rs.20/- , The total amount in the class is: |
Rs.20/-
Rs.30/-
Rs.300/-
Rs.600/-
|
| 11 |
In a set of data, the difference between highest value and lowest value is called: |
Standard deriation
Range
Dispersion
All of these
|
| 12 |
The square of standard deriation : |
Standard deriation
Range
Dispersion
Variance
|
| 13 |
In the given set of data 5,5,5,5,5,5,5 the standard deriation is: |
5
0
7
None of these
|
| 14 |
In the given set of data 5,7,7,5,3,7,2,8,2 mode is: |
9
5
2
7
|
| 15 |
The reciprocal of Arithematic mean of reciprocal of values is called: |
Average
Harmonic mean
Geometric mean
None of these
|
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