Question

the graph below represents the result of a survey in which a number of students reported how many letters were in their last names.
name length
what was the range of name lengths? deltamath.com

Explanation:

Step1: Identify min and max

Find the minimum number of letters (smallest non - zero bar) and maximum number of letters (tallest bar). From the graph, min = 2, max = 10.

Step2: Calculate range

Range is calculated as max - min. So, $10 - 2 = 8$.

Answer:

8