Question
Find the median of the following observations: 72, 81,
63, 55, 94, 80, 77Solution
Ascending order of observations: 55, 63, 72, 77, 80, 81, 94
Number of observations = 7 (odd number).
Median formula for odd observations:
Median = [(n + 1) ÷ 2]th term
For n = 7, the 4th term is 77.
A-5, A, 35, 52, 78, 115
Find the wrong number in the given number series.
740, 725, 680, 605, 595
174 180 198 252 414 910
Find the wrong number in the given number series.
25, 38, 53, 74, 97, 126
Find the wrong number in the given series.
46, 104, 184, 404, 760, 1586
3 6 18 149 602 15057
...23, 36, 75, 140, 233, 348
21 32 54 86 131 186
...Find the wrong number in the given number series.
8, 16, 24, 32, 32, 64
Find the wrong number in the given number series.
8, 9, 64, 25, 216, 49