plss answer this plss fast
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Answered by
1
Arthemetic mean= fixi/xi.
Step-by-step explanation:
so the answer is
10+15+20+25+30=100
10×4=40
15×6=90
20×3=60
25×2=50
30×5=150
Therefore,
40+90+60+50+150=390
fixi=390
xi=100
fixi÷xi=390÷100
∆ 3.9
∆∆Your answer is 3.9
Answered by
1
Answer:
the formula is
mean= £fixi / £fi
=390 / 20
= 19.5
please mark as brainliests answer
how are you sumaiya
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