1 0-20 = 35 fi
20-40-315 fo
40-60=120 fa
1 60-80-50,
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Answer:
Answer is 31.789
Step-by-step explanation:
l= 20
f1=315
f2=120
fo=35
h=20
now apply the formula for mode =L+(f1-fo)×h
---------------
2f1-fo-f2
20+(315-35)×20
2 (315)-35-120
20+(280)
630-35-120
20+(280)
475 ×20
20+5600÷475
20+11.789
=31.789
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