Find the incorrect formula from the following
(1)
N h Median L c.f.
2 f
æ ö
=+ - ç ÷ è ø
(2) m 1
m12
f f Mode L h
2f f f
æ ö -
= + ç ÷ è ø - -
(3) i i
i
f x Mean
x
å
=
å
(4) i i
i
f x X
f
å
=
å
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Step-by-step explanation:
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Answer:
part 4 is incorrectly written.......!
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