Question

plzz solve this sum as soon as possible​

Answer 1

Answer: mean of heights is

Step-by-step explanation: 5+5.2+5.4+5.6=21.2

21.2/4= 5.3

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Answer 2

Answer:

average

Step-by-step explanation:

total hight = 5*3+5.2*4+5.4*3+5.6*2 = 15+20.8+16.2+11.2=63.2

total family members= 3+4+3+2=12

avg = total hight / total family members= 63.2/12= 5.2