What is the mean of the data t, 2t-1, t-2, 2t -1, 4t...
What is the mean of the data t, 2t-1, t-2, 2t -1, 4t and 2t+2?
2t
2t-1
2/3t+1
2t-1/3
Correct answer is D
Mean=t+2t−1+t−2+2t−1+4t+2t+26Mean=12t−26=2(6t−1)6=6t−13=6t3−13=2t−13
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