RRB NTPC · Central Tendency Measures

Exercise and reference answers

Matching pairs

1. Left

   Mean of 4, 8, 12, 16, 20

   Right

   12

2. Left

   Sum if mean of 5 numbers is 18

   Right

   90

3. Left

   Median of 1, 3, 5, 7, 9, 11, 13

   Right

   7

4. Left

   Mode of 2, 3, 3, 5, 5, 5, 7, 7

   Right

   5

Instructions

Compute mean, median, mode and sum