Question

2) Find the mean of the following data - 76, 68, 69, 78. *
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Answer 1

No. of observations = 4

Therefore, Mean

$= \frac{76 + 68 + 69 + 78}{4}$

$= \frac{291}{4}$

$= 72.75$

THIS IS YOUR ANSWER

Answer 2

the answer is 72.75

hope it helps you!!