Data

Statistical Questions

Statistical Attributes

Choice of Graph for Data (Investigation)

Create and interpret dot plots

Create and interpret frequency tables

Create and Interpret Bar and Pareto Charts

Create and interpret histograms

Statistical Displays - A review

Create and interpret histograms and polygons

Create and interpret cumulative frequency tables

Create and interpret cumulative frequency polygons

Number of Observations

Recognising the centre of data

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

Central Tendency Suitability

Limitations of Measures of Centre and Spread

Class IX

Central Tendency Suitability

Interactive practice questions

The number of three-pointers scored in a basketball game are shown in the dot plot below. The mode is $2$2. If the outlier is removed what is the new mode?

Easy

< 1min

Consider this stem plot.

Easy

1min

The glass windows for an airplane are cut to a certain thickness, but machine production means there is some variation. The thickness of each pane of glass produced is measured (in millimetres), and the dot plot shows the results.

Easy

1min

A set of data has a mode of $x$x, the outlier is removed and the mode will:

Easy

< 1min

Outcomes

9.SP.S.2

Mean, median, mode of ungrouped data.

What is Mathspace

About Mathspace