4 questions · timed · auto-graded
| Column-I | Column-II |
| (a) Moments about mean are called | (i) raw moments |
| (b) Moments about origin are called | (ii) Platykurtic |
| (c) If $\beta_2<3$, then curve is | (iii) leptokurtic |
| (d) If $\beta_2>3$, then curve is | (iv) central moments |
| Column 1 | Column 2 |
| (a) The square of standard deviation is known as | (i) absolute measure |
| (b) Coefficient of variation is | (ii) Mean |
| (c) The standard deviation is always taken from | (iii) Variance |
| (d) Standard Deviation is | (iv) Relative Measure |
| Column 1 | Column 2 |
| (a) $\sum_{i=1}^n \frac{\left|x_i-\bar{x}\right|}{n}$ | (i) Mean Deviation about median |
| (b) $\sum_{i=1}^n \frac{\left|x_i-M_d\right|}{n}$ | (ii) Mean deviation for discrete frequency distribution |
| (c) $\sum_{i=1}^n \frac{f_i\left|x_i-A\right|}{N}$ | (iii) Mean deviation about mean |
| (d) $\frac{\Sigma f_i x_i}{N}$ | (iv) Mean |
| Column 1 | Column 2 |
| (a) Third Quartile $\left(Q_3\right)$ | (i) $23.4$ |
| (b) Sixth Decile $\left(D_6\right)$ | (ii) 20 |
| (c) $70^{\text {th }}$ Percentile $\left(P_{70}\right)$ | (iii) $26.25$ |
| (d) Median $(m d)$ | (iv) $25.7$ |