Question

Find the medians of following data sets.

Set I -- {3, 7, 2, 11, 8}

Set II -- {-1, 0, 1, 7, 11, 4}

• A. 7, 2
• B. 7, 2.5
• C. 7.5, 2
• D. 7.5, 2.5

Answer 1

The correct option is B

7, 2.5

Arranging set I in ascending order we get,

Set I - {2, 3, 7, 8, 11} - Middle term = 7

Set II - {-1, 0, 1, 4, 7, 11} - Middle terms = 1, 4

∴Median of set - I = middle term = 7

Median of set - II = $\frac{middleterms}{2}$ = $\frac{1+4}{2}$ = 2.5