Classifying and Organising Data (Grade 10 NSC Matric Mathematical Literacy): Flashcards
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Practise the cards
10 cards from this deck
Define categorical data
Define categorical data
Info described with words/labels, not measured numerically
Define numerical data
Define numerical data
Information that can be measured using numbers
Define discrete data
Define discrete data
Values that can only take specific, countable numbers
Define continuous data
Define continuous data
Can take any value within a range, including decimals
What are tallies used for?
What are tallies used for?
Counting items in each category with a running total
What do frequency tables show?
What do frequency tables show?
Categories alongside how many times each item appears
What are class intervals?
What are class intervals?
Grouping data into ranges/bands for large datasets
Class interval boundary rule
Class interval boundary rule
Include lower boundary, exclude upper boundary
What does 'at least' mean in data?
What does 'at least' mean in data?
Include that exact value and higher
What does 'less than' mean in data?
What does 'less than' mean in data?
Exclude that exact value