find the mean of the following numbers (a)1/2,3 (b)3/4,1/3 (c)-7/2,5/4 (d)-8/5,7/9
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Answer:
(a) 1.75, (b) 2.16, (c) -1.125, (d) -0.41
Step-by-step explanation:
We know, that Mean = Sum of observations/Number of observations
Therefore,
(a) Mean = {(1/2) + 3}/2 = 1.75
(b) Mean = {(3/4) + (1/3)}/2 = 2.16
(c) Mean = {(-7/2) + (5/4)}/2 = -1.125
(d) Mean = {(-8/5) + (7/9)}/2 = -0.41
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