Episode 9 — Statistics

Representing Data Question 2

Learners will be able to:

• Identify the range of a data set from a box and whisker plot. • Calculate the inter-quartile range (IQR) by finding the difference between Q3 and Q1 values on a box and whisker plot. • Describe how to determine if a data set is skewed, including identifying left or right skewness. • Interpret the significance of the inter-quartile range in relation to the percentage of learners who scored within that range. • Identify the section of a box and whisker plot that indicates negative skewness.