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MATHEMATICS

JAMB 2013 - Question 42

Mathematics 2013 JAMB Past Questions - Question 42: Find the mean of t+2,2t-4,3t+2 and 2t

Find the mean of t+2,2t-4,3t+2 and 2t

A: 2t+1

B: t

C: t+1

D: 2t

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Correct Answer

Explanation

Ex = (t+2) + (2t -4) +(3t+2) +2t = 8tN = 4therefore mean, x = Ex/N = 8t /4 = 2tTo find the mean of a set of numbers, we need to add up all the numbers and divide the sum by the total count of numbers.Given the numbers t+2, 2t-4, 3t+2, and 2t, we can calculate their mean as follows:Mean = (t+2 + 2t-4 + 3t+2 + 2t) / 4Simplifying the expression:Mean = (8t) / 4Mean = 2tTherefore, the mean of the numbers t+2, 2t-4, 3t+2, and 2t is 2t.