Math, asked by shahvraj693, 8 months ago

the sum of observation of a series is 520.65 . if the mean is 40.05 find the number of observation​

Answers

Answered by pnkurshid
4

Step-by-step explanation:

the number of observation = 520.65/40.05=13

Answered by Likhithkumar155
1

Answer:

13 observation are there 8n series

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