See also:
What goes on the $x$-axis on a cumulative frequency diagram??
The variable being measured.
What does on the $y$-axis on a cumulative frequency diagram??
Cumulative frequency.
What is the purpose of a cumulative frequency diagram??
It allows you to find estimates for medians, quartiles and percentiles.
Drawing a cumulative frequency diagram is like what other process in stats??
Linear interpolation.
When plotting a cumulative frequency diagram for grouped data, which class boundary should you use for the point on the $x$-axis??
The lower class boundary.
I have a cumulative frequency diagram with a max frequency of 60. I want to find an estimate for the upper quartile. What should I do??
- $60 \div 4, \times 4 = 45$
- Find $45$ on the $y$-axis, draw a straight line to the curve.
- Draw a line from that point on the curve to the $x$-axis and that is the value.
How should you join the points on a cumulative frequency diagram??
With a smooth curve.
Backlinks
Metadata
date: 2020-11-12 11:55
tags:
- '@?stats'
- '@?maths'
- '@?public'
title: Stats - Cumulative Frequency