คำศัพท์คณิตศาสตร์
Frequency table, histogram
From: A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com
A histogram is a graph using adjacent rectangles to represent the frequencies of certain ranges or intervals.
A histogram is built from information contained in a frequency distribution table.
Oceanarium – fish sizes.
Marine biologists measure the lengths of 30 tagged fish each to analyse growth patterns.
Each year, the information from a frequency table is used to make a histogram.
Frequency distribution table
Fish lengths in centimetres (intervals)
Number of Fish (frequency)