Economy, asked by bs670631, 5 months ago

The mean of 8 observation is 12 .what is the mean of new observation obtained by adding 1 to each of the observations

Answers

Answered by kandarineeraj83

5

Answer:

I am really sorry but I need some pints sorry

Answered by Helper2008

4

Let the 8 observations are x1, x2, x3, x4, x5, x6, x7, x8

∴ x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 = 40 × 8 = 320

New mean = 320 + 5 × 8 = 360 / 8 = 45

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs

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