Question

Helppppppppppp plzzzzzzz

Answer 1

Explanation:

Answer-1 Range= Highest value - Lowest value

So,

85-79=6 is the range of data.

Answer-2 These four numbers are above 81 those are 82,83,84,85

So boys above 81 = 9

Answer-3. 4 were having pulse rate 83.