Question

please give explanation too​

Answer 1

Step-by-step explanation:

It is showing that :

Pupils :         4       , 10           , 15       ,      12         , 9           , 6

Weight : 30 - 40 ;  40- 50   ; 50 - 60 ;  60-70 ;  70 - 80 ;  80 - 90

So ,

For 4 Pupils = 30 - 40 Weight is there.

Like this you can identify others also .

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