Basic Statistical Measures (Edexcel A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What does a measure of location tell us about a data set?
What does a measure of location tell us about a data set?
Position of certain features
What does the Greek letter capital Sigma () mean in statistics?
What does the Greek letter capital Sigma () mean in statistics?
Sum of
If , what is ?
If , what is ?
If , what does equal?
If , what does equal?
What is the formula for calculating the mean ?
What is the formula for calculating the mean ?
Which statement about the mean is correct?
Which statement about the mean is correct?
Uses all data in calculation
To find the median position in a list of length , calculate:
To find the median position in a list of length , calculate:
For list , the median position is . What is the median?
For list , the median position is . What is the median?
When is the median a better measure of centre than the mean?
When is the median a better measure of centre than the mean?
When data has extreme outliers
After finding the median of a list, how is the lower quartile (LQ) found?
After finding the median of a list, how is the lower quartile (LQ) found?
Median of the lower half