Basic Statistics 4

1. Statistics are ______________.

2. The degree of peakedness is called

3. To compare the variation of two or more than two series, we use ________.

4. The Coefficient of Skewness is always zero for ____________ distribution

5. If the right tail is longer than left tail then distribution is called

6. For Mesokurtic curve of the distribution, $\beta_2$ is

7. The first moment about means is always

8. In Mesokurtic distribution

9. ____________ is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units.

10. If $\beta_2=\frac{m_4}{m_2^2}<3$, the distribution is called

11. Lack of symmetry is called

12. If $\overline{X}=25$, which of the following will be minimum?

13. The harmonic mean for any two positive numbers $a$ and $b$ is _______.

14. If the third moment about mean is zero then distribution is

15. Quartile Coefficient of skewness lies between

16. If the mean is 25 and the standard deviation is 5 then C.V (Coefficient of variation) is

17. In the plural sense, statistics means

18. In uni-model distribution, if the mode is less than mean

19. The second moment about mean is

20. _________ is used to the criterion of consistency i.e for consistent performance