Question

Calculate Q3 for the given distribution
20,28,31,18,19,17,32,33,22,21​

Answer 1

Answer

17,18,19,20,21 ,22,28,31,32,33

Total=241

Answer 2

Q3 for the given distribution  20,28,31,18,19,17,32,33,22,21​

Explanation:

• Arrange data in ascending form, and n = 10 even number
• 17,18,19,20,21,22,28,31,32,33.
• q3 = 3/4 *10 =7.5
• q3 = mean of (8), (9)
• Q3 = (31+32)*(1/2) = 31.5