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Find the mean of t + 2, 2t 4, 3t + 2 and 2t.

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Question 42
A

2t

B

2t + 1

C

t

D

t + 1

Explanation

\(\sum x\) = (t + 2) + (2t + 4) + (3t + 2) + 2t = 8t

N = 4_

∴ Mean, x = \(\frac{\sum x}{N} = \frac{8t}{4} = 2t\)

= 2t


Correct option: A

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