Question

What is the upper and lower quartile of this set of data 15,19,20,25,31,38,41

Answer 1

Answer:

18 and 38

Step-by-step explanation:

Data set is given:

• 15,19,20,25,31,38,41

The lower quartile value is the median of the lower half of the data. The upper quartile value is the median of the upper half of the data.

Lower half of the data:

• 15, 19, 20

Lower quartile:

• mid term of 15, 19, 20 = 19

Upper half of the data:

• 31, 38, 41

Upper quartile:

• mid term of 31, 38, 41 = 38