Correct Answer: Option D

Explanation

\(Mean = \frac{t+2t-1+t-2+2t-1+4t+2t+2}{6}\)
Mean = \(\frac{12t-2}{6}\)
=\(\frac{2(6t-1)}{6}\)
=\(\frac{6t-1}{3}\)
=\(\frac{6t}{3}- \frac{1}{3}\)
=2t-\(\frac{1}{3}\)

There is an explanation video available below.

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