1 |
Which average cannot be compound if any value is less than zero |
G.M
Median
Mode
A.M
|
2 |
Total angle of pie-chart is |
270<sup>o</sup>
300<sup>o</sup>
320<sup>o</sup>
360<sup>o</sup>
|
3 |
The data which have already been collected by someone are called |
Secondary data
Primary data
Arrayed data
None of these
|
4 |
Statistic is a characteristic calculated from |
Population data
Sample data
Arrayed data
Fictitious data
|
5 |
For r x c contingency table the number if degrees of freedom equals |
(r - 1) + ( c -1)
(r -1) (c - 1)
1
(r x c) -1
|
6 |
A graph of time series is called |
Histogram
Polygon
Straight line
Historigram
|
7 |
For a given set of bivariate data if Byx = 0.52 and bxy = -1.02 then r is |
0.73
-0.73
0.00
1.00
|
8 |
If the null hypothesis is true the probability error is identified by what name |
b
1- b
a
1- a
|
9 |
Accepting Ho when Ho is true is a: |
Type I error
Type II error
Correct decision
None of these
|
10 |
Given N = 5 and n = 3 in simple random sampling with replacement how many possible samples are there? |
10
125
60
15
|