Economy, asked by starsoma1980, 8 months ago

Date...
80
calculate
mean by
step deviation method from
arithmetic
following data.
Height (cm)
г Frequency
5
130
- 135
IS
135 – 140
28
140
-145
150
145
150 -
155
10
155
160
1
160
165

Answers

Answered by advsahid2

Answer:

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