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MATHEMATICS

JAMB 2016 - Question 32

Mathematics 2016 JAMB Past Questions - Question 32: 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

A: 2

B: t

C: -t

D: -2

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Correct Answer

Explanation

E x = (2-t) + (4+t) + (3-2t) +(2+t) + (t-1) = 10n = 10Hence, mean, x = Ex /nn = 10/5 = 2To find the mean of the numbers 2-t, 4+t, 3-2t, 2+t, and t-1, you add them all together and then divide by the total number of values.Mean = (2-t + 4+t + 3-2t + 2+t + t-1) / 5Simplify the expression:Mean = (2 + 4 + 3 + 2 - 1) / 5 = 10 / 5 = 2Therefore, the mean of the given numbers is 2.