Question

The Graduation rates for twenty-five (25) HBCUs) for the academic school year (2018-2019) were as follows: 65, 32, 70, 12, 22, 29, 41, 38, 49, 17, 27, 39, 42, 24, 31, 53, 37, 27, 16, 40, 48, 62, 58, 19, & 23

Determine the following:

a. First Quartile

b. Second Quartile

c. Third Quartile

***please explain:

Answer 1

Solution :

12, 16, 17, 19, 22, 23, 24, 27, 27, 29, 31, 32, 37, 38, 39, 40, 41, 42, 48, 49, 53, 58, 62, 65, 70

First quartile is the median of the first half part of the data .

First quartile = 24

Second quartile or Median is the middle most observations in the data when observations are

arranged in  increasing or decreasing order of their values.

Second quartile = 37

Third quartile is the median of the first half part of the data .

Third quartile = 48