Math, asked by wjern123, 5 hours ago

The mean of 5 observations is 17. If the mean of first 3 observations is 15 and that of last 3 is 18. Find the 3rd observation.

Answers

Answered by a0510

0

I don't know your question

Answered by dillipsahu95

0

Answer:

9

Step-by-step explanation:

sum of first 3 observation = 45

sum of last 3 observation = 54

54 - 45 = 9

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