1 |
For positively skewed binomial distribution |
p = 0
p < 0.5
p > 0.5
p = 0.5
|
2 |
If Y = -5 -8x and S.D.(X) =3,then S,D (Y) = |
24
8
5
-24
|
3 |
Probability of an event always lies between |
-1 and +1
-1 and 0
0 and 1
0 and ∞
|
4 |
Second moment about mean is |
Zero
One
Standard Deviation
Variance
|
5 |
If a and b are two constants then var (a+ bx) = |
± b var (x)
Var (a) ± var (x)
b<sup>2</sup> var (x)
(a±b) var (x)
|
6 |
Total angle of a pie chart is |
100<sup>o</sup>
180<sup>o</sup>
300<sup>o</sup>
360<sup>o</sup>
|
7 |
A variable which takes measurable values is called a |
Constant
Discrete variable
Continuous variable
Qualitative variable
|
8 |
The data obtained from college record is |
<span style="font-size: 14.44444465637207px;">Primary data</span>
<span style="font-size: 14.44444465637207px;">Secondary data</span>
<span style="font-size: 14.44444465637207px;">Raw data</span>
<span style="font-size: 14.44444465637207px;">Qualitative data</span>
|