IB Statistics and Probability Problem 006

A scientist studies \(100\) female fish and \(100\) male fish. She measures their length (rounded to the nearest centimetre). The results are shown in the following box-and-whisker diagrams.

Female fish

image essential to understanding the question

Male fish

image essential to understanding the question
  1. Find the range of lengths of all \(200\) fish.

Four cumulative frequency curves are shown below.

image essential to understanding the question
  1. Which curve best represents the lengths of the female fish?
Published by Annie Bernatchez in «Statistics and Probability». Key Words: IB, question