Question

Find q1 of the following data set 3, 9, 12, 4, 6, 40, 25, 14, 10

Answer 1

According to the given data we have the following data set:

3, 9, 12, 4, 6, 40, 25, 14, 10​

The first quartile, Q1, is the median of the lower half not including Q2

Therefore, in this case the Q1 would be 5