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Mathematics, 30.10.2019 13:31 ks970065

Answer at the earliest i have exam tomorrow.

question:

from the chapter statistics there exist three methods of mean: direct, assumed and step deviation.

i have a confusion : which method should i apply?

as in exam you will be given use *appropriate* method. how should i know the method. is it fixi , fidi or fiui

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Answer at the earliest i have exam tomorrow.

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from the chapter st...
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