Question
Find the median of the following observations: 120,
125, 115, 130, 140, 135, 145Solution
Ascending order of observations: 115, 120, 125, 130, 135, 140, 145
Number of observations = 7 (odd number).
Median formula for odd observations:
Median = [(n + 1) ÷ 2]th term
For n = 7, the 4th term is 130.
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