find the value of F1 and F2 and mean is given this 50
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Answer:
Step-by-step explanation:
From data,
F1+F2=52........ 1)
xifi=3480+30F1+70F2
Therefore,
50=3480+30F1+70F2/120
6000=10(348+3F1+7F2)
3F1+7F2=252........ 2)
Solving 1) and 2),
-4F2=-96
F2=24.
F1+24=52
F1=28.
Hope it helps you my friend...
A fan of Messi and Neymar
sumitgautam:
please show the xi
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