Summarising Data (Grade 11 NSC Matric Mathematical Literacy): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do measures of central tendency tell us?
What do measures of central tendency tell us?
About the 'centre' or typical value
What is the formula for calculating the mean?
What is the formula for calculating the mean?
Sum of all values ÷ number of values
What is the main limitation of using the mean?
What is the main limitation of using the mean?
Heavily influenced by outliers
What is the median?
What is the median?
Middle value when data is in order
What is the key advantage of the median over the mean?
What is the key advantage of the median over the mean?
Not affected by outliers
What is the mode?
What is the mode?
Value occurring most frequently
Which measure is best for categorical data like food preferences?
Which measure is best for categorical data like food preferences?
Mode
What is the formula for range?
What is the formula for range?
Highest value - lowest value
When is the range most useful?
When is the range most useful?
When there are no outliers
What should you consider when choosing the right measure?
What should you consider when choosing the right measure?
Outliers, info type, and audience