Outliers (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What defines an outlier in a data set?
What defines an outlier in a data set?
An extreme value
How do you calculate IQR?
How do you calculate IQR?
Q3 - Q1
What indicates an outlier in box plots?
What indicates an outlier in box plots?
Crosses (×)
What is the lower outlier boundary formula?
What is the lower outlier boundary formula?
Q1 - 1.5 * IQR
What is the upper outlier boundary formula?
What is the upper outlier boundary formula?
Q3 + 1.5 * IQR
What is the standard deviation rule for outliers?
What is the standard deviation rule for outliers?
3 standard deviations
What is the first step in identifying outliers?
What is the first step in identifying outliers?
Identify the quartiles
Which method is best for larger data sets?
Which method is best for larger data sets?
Standard deviation method
What is the benefit of showing your working in statistics calculations?
What is the benefit of showing your working in statistics calculations?
It helps identify errors in reasoning
What does IQR stand for?
What does IQR stand for?
Interquartile Range