Two-way tables (AQA GCSE Maths): Flashcards
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What are two-way tables?
What are two-way tables?
Data tables that organize information by two different categories or variables
What is the purpose of two-way tables?
What is the purpose of two-way tables?
To analyze relationships between groups using addition and subtraction
Which direction do rows run in two-way tables?
Which direction do rows run in two-way tables?
Horizontally
Which direction do columns run in two-way tables?
Which direction do columns run in two-way tables?
Vertically
Where is the grand total located in a two-way table?
Where is the grand total located in a two-way table?
Bottom right corner
What is the column rule in two-way tables?
What is the column rule in two-way tables?
All numbers in each column must add up to the column total
What is the row rule in two-way tables?
What is the row rule in two-way tables?
All numbers in each row must add up to the row total
How do you find missing values in two-way tables?
How do you find missing values in two-way tables?
Subtract known values from the total
What is the first step when completing two-way tables?
What is the first step when completing two-way tables?
Start with the grand total in the bottom right cell
When completing two-way tables, what should you look for first?
When completing two-way tables, what should you look for first?
Rows or columns with only one missing number