Two-way tables (AQA GCSE Statistics): Flashcards
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What is a two-way table used for in statistics?
What is a two-way table used for in statistics?
To organize and display bivariate data clearly.
How do you find a missing value in a two-way table?
How do you find a missing value in a two-way table?
Use totals to subtract known values from row/column totals.
In a two-way table, what do rows represent?
In a two-way table, what do rows represent?
Rows represent one category, like age groups.
What do columns in a two-way table represent?
What do columns in a two-way table represent?
Columns represent another category, like preferences.
How many adults preferred custard if 34 chose it?
How many adults preferred custard if 34 chose it?
34 adults preferred custard, total 52 adults.
If 40 male musicians exist, how many play wind/brass?
If 40 male musicians exist, how many play wind/brass?
17 males play wind/brass (40 - 23).
What is the total number of students surveyed?
What is the total number of students surveyed?
53 students were surveyed about news sources.
What is the total number of girls surveyed?
What is the total number of girls surveyed?
The total number of girls surveyed is 8.
What is a common mistake in two-way tables?
What is a common mistake in two-way tables?
Forgetting to check that all totals add up correctly.
Why is context important in answers?
Why is context important in answers?
It explains what the numbers mean in real situations.