The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is
...The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is
2
t
-t
-2
Correct answer is A
Mean = 2−t+4+t+3−2t+2+t+t−15
= 105 = 2
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