Question

For which of the following sets of numbers do the mean, median and mode have the same value?
1. 12, 12, 12, 12, 24
2. 6, 18, 18, 18, 30
3. 6, 6, 12, 30, 36
4. 6, 6, 6, 12, 30

Answer 1

Correct Answer - Option 2 : 6, 18, 18, 18, 30

Calculation:

Option 2 has 

Mean = \(6+18+18+18+30\over5 \) = 18

Median = 18 {As it is the middle value of the arrangement}

Mode = 18 {As it appears the most}

∴ Mean = Median = Mode

Option 2 is correct