please answers me it's just very important for me please
Attachments:
Answers
Answered by
0
Answer:
1.42
2.5
3.170
4.40.5
Step-by-step explanation:
average= sum of all frequencies /2
1. 18+25+22+9/2= 42
2. as 45/9=5
3. 74+97+88+81/3=170
4. 23+31+27/2=40.5
Answered by
1
Answer:
1- average=total numbers of toys.÷total numbers of girl.
= (18+25+22+19)/4
=84/4
=21
Similar questions