Answer:
Lower Quartile = 7.
Explanation:
Given : 27,5,11,13,10,8,14,18,7
To find : What is the lower quartile .
Solution : We have given 27, 5, 11, 13, 10, 8, 14 , 18 , 7.
Step 1 : Arrange in order
5 , 7 ,8 ,10 ,11, 13 , 14 ,18 , 27.
Step 2 : divide in to Quartile
Lower Q1 = 5 ,7 ,8
Middle Q2 = 10, 11 , 13.
Highest Q3 = 14 ,18 , 27.
Hence Lower Quartile = 7.
Therefore, Lower Quartile = 7.