The Basics (Leaving Cert Mathematics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
What is a population in statistics?
What is a population in statistics?
The entire group we want to study or draw conclusions about.
Define a sample in statistical terms.
Define a sample in statistical terms.
A subset of the population selected for the study.
What is categorical data?
What is categorical data?
Data divided into groups or categories.
What does nominal data signify?
What does nominal data signify?
Categories without a natural order, like colors.
What defines ordinal data?
What defines ordinal data?
Categories with a natural order, like rankings.
What is numerical data?
What is numerical data?
Data expressed in numbers.
What is discrete data?
What is discrete data?
Data with countable values, like number of students.
What is continuous data?
What is continuous data?
Data with any value within a range, like weight.
Why ensure sample representativeness?
Why ensure sample representativeness?
To avoid bias and generalize conclusions accurately.
Example of categorical nominal data?
Example of categorical nominal data?
Eye color of students is nominal, no order.
