Question
What is base year? Which points should be considered while choosing it ?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| City | $A$ | $B$ | $C$ | $D$ | $E$ |
| Population $($lakh$)$ | $8$ | $18$ | $14$ | $45$ | $57$ |
| Rate of growth $($per thousand$)$ | $5$ | $15$ | $10$ | $20$ | $13$ |
| Correlation coefficient $= 0.80$ | |||||