Question

Where is the 1st quartile in this data set?

12, 23, 11, 14, 5, 4, 15, 6, 23, 8

Answer 1

first arrange the data in ascending or descending order

Answer 2

what does that mean?

Answer 3

In ascending order,
4,5,6,8,11,12,14,15,23,23
now,
n = 10
and first quartile = (n+1)/4 th term
= 2.75th term
Thus 1st quartile lies between 5 and 6.
Exactly 1st quartile = 5.75

Answer 4

thanks