Math, asked by siddiquiafzal801, 9 months ago

The mean of 5 observations is 15. If the mean of first three observations is 14 and that
observation
of the last three is 17, find the third observation.

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Answers

Answered by Vaishnavimewati
3

Answer:

Given that Mean of 5 observations is 15. Therefore the sum of observations = 15 * 5 = 75. Given that mean of the first 3 observations is 14. Therefore the sum of first three observations = 14 * 3 = 42.

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