One-Variable Data

Statistical displays - A review

Create and interpret histograms and polygons

Create and interpret cumulative frequency tables

Create and interpret cumulative frequency polygons

Create and interpret boxplots

EXT: Create and interpret graphs using log scales

Connecting boxplots and histograms

Interpret pie charts

EXT: Interpret area charts and radar graphs

Mean, median mode and range (calculation from graphs and charts)

Mean, median mode and range (find missing data)

Mean, median mode and range (comparing data sets)

Comparisons and predictions

Mean, median, mode and range (combined set)

How the shape affects choice of centre and spread

Measure of central tendency suitability

Limitations of measures of centre and spread

Frequency tables and grouped data

Frequency distribution for grouped data

Statistics on grouped data

Quartiles and inter-quartile range

Quartiles, deciles and percentiles

5 Figure summary

Identify outliers

Using a fence to find outliers

Effects of outliers

Standard deviation

Standard deviation using sample population

Applications of standard deviation

Applications of standard deviation using sample population

Grade 12

Frequency distribution for grouped data

Interactive practice questions

Find the class centre for the class interval $\left(12-20\right)$(12−20)

Easy

< 1min

This cumulative frequency histogram shows the centre of each class along the bottom axis.

Easy

2min

Complete the frequency distribution table below:

Easy

3min

Use the ogive given to estimate the median score.

Easy

< 1min

Outcomes

12D.D.1.5

Interpret statistical summaries to describe the characteristics of a one-variable data set and to compare two related one-variable data sets; describe how statistical summaries can be used to misrepresent one-variable data; and make inferences, and make and justify conclusions, from statistical summaries of one-variable data orally and in writing, using convincing arguments

What is Mathspace

About Mathspace