Question

What is the inter-quartile range of the given data set?

Answer 1

Answer: First we have to understand that a interquartile is the distance between the first and third quartiles of a data set. It is the upper quartile minus lower quartile. Out of all the options shown above the one that represents when it might be better to use for describing a data set than the range is answer choice C) if the data has outliers.

Explanation:

Answer 2

IQR = Q3 - Q1 = 20 - 17 = 3

B. 3