| 1 |
The systematic arrangement of data in the form of rows and columns is called |
Row and column cations
Data array
Classification
Tabulation
|
| 2 |
A quantitative variable whose values are countable is called |
Categorical variable
Continuous variable
Discrete variable
None of these
|
| 3 |
The data in their original form are called |
Secondary data
Ordered data
Primary data
Un-official data
|
| 4 |
E(X - μ)2 = |
<sup>Zero</sup>
S,D
Variance
Mean deviation
|
| 5 |
Given var (x) = 3 and var (y) = 5.1 f x and y are independent variables then var (x- y)= |
-2
8
24
2
|
| 6 |
The probability of an event cannot be |
=0
>0
=1
<0
|
| 7 |
Current year weighted are used as |
Laspeyr's index number
Paasch's index number
Fisher ideal index number
None of these
|
| 8 |
In symmetrical distribution if Q1 = 4, Q3 = 12 then median is |
4
16
8
Zero
|
| 9 |
The variance of 5,5,5,5,5,is |
0
25
5
125
|
| 10 |
The model letter of the word statistics is: |
S
T
S & T
I
|
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