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Study the word list: GCSE Maths: Data 3

Key words for GCSE Maths

	probability	The probability of something is how likely it is to happen.
	qualitative	Qualitative data is information that describes something.
	quantitative	Quantitative data is data that can be counted (discrete) or measured (continuous).
	random	Random sampling is when each piece of data is equally likely to be chosen.
	sampling	Random sampling is when each piece of data is equally likely to be chosen.
	range	The range is the difference between the highest and lowest values.
	represent	If you represent data, it means you display it in a visual way.
	scatter	A scatter diagram shows the relationship between variables.
	diagram	A scatter diagram shows the relationship between variables.
	statistic	A statistic is a piece of data chosen from a sample of data in order to draw a conclusion.
	stratified	Stratified sampling is used to collect data samples from specific groups in a population. The number of samples collected from each group is proportional to the size of the group.
	survey	A survey is a way of collecting data.
	table	A table is a way of visually presenting data in rows and columns.
	tally	A tally is a way of recording data using dashes.
	time-series	A time-series is a sequence of data points collected over time and shown in a graph.
	tree	A tree diagram uses branches to display probability data.
	Venn	A Venn diagram uses circles to show similarities and differences between sets of data.

Use the list: GCSE Maths: Data 3

Learn this spelling list using the 'Look, Say, Cover, Write, Check' activity.

Look	probability
Say
Cover	Look again
Write
Check

Look, Say, Cover, Write, Check

How to use:

Look and read the word.

Say the word. Click the speaker icon.

Cover the word.

Write the word.

Check your spelling.

probability

qualitative

quantitative

random

sampling

range

represent

scatter

diagram

statistic

stratified

survey

table

tally

time-series

tree

Venn

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Test yourself using the 'Listen and Spell' spelling test.

Start the Listen and Spell Test

The ___________ of something is how likely it is to happen.

Listen to the word and type it below:

Click on the ringmaster
to repeat the word.