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The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is

Mathematics
JAMB 2016
The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is
  • A. 2
  • B. t
  • C. -t
  • D. -2
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Correct Answer: Option A
Explanation
Mean = \(\frac{2 - t + 4 + t + 3 - 2t + 2 + t + t - 1}{5}\)

= \(\frac{10}{5}\) = 2

There is an explanation video available below.

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Explanation Video

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