Measure of Dispersion

Q.

The range of the data $30,61,55,56,60,20,26,46,28,56$ is

1. $26$

2. $30$

3. $41$

4. $61$

Q.

For the data $4,3,-4,-3,0,1,2,3$ and $3$.

Range$=$______.

Q. The algebraic sum of the deviations of a frequency distribution from its mean is __________.

1. Always negative
2. A non-zero number
3. $0$
4. Always positive