Deviation sum15 form 20is45
Find Arithmetic mean
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Answer:
Given,
assumed mean=20
no. of observations=15
sum of deviations=45
actual mean=assumed mean+(sum of deviations/ no. of observations)
actual mean=20+(45/15)
=20+3
actual mean=23
Step-by-step explanation:
Answered by
0
Answer:
assumed mean =20
no of observation=15
sum of deviation=45
actual mean =20+(45/15)
=20+3
=23
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