Box Plots & Cumulative Frequency (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many key values are used to summarise a data set in a box plot?
How many key values are used to summarise a data set in a box plot?
Five
What percentile does the lower quartile represent?
What percentile does the lower quartile represent?
25th percentile
In a box plot, what does the box extend from and to?
In a box plot, what does the box extend from and to?
to
What do the whiskers in a box plot extend to?
What do the whiskers in a box plot extend to?
The minimum and maximum values
What is cumulative frequency used to find?
What is cumulative frequency used to find?
Observations below a particular value
How is a cumulative frequency table created?
How is a cumulative frequency table created?
Add frequency to sum of previous ones
Where is the median located on a cumulative frequency graph?
Where is the median located on a cumulative frequency graph?
Where CF is half the total
For 80 data points, at what position is the 90th percentile?
For 80 data points, at what position is the 90th percentile?
72
What percentage of data falls below the upper quartile ?
What percentage of data falls below the upper quartile ?
75%
How are box plots and cumulative frequency graphs related?
How are box plots and cumulative frequency graphs related?
CF graphs find median, , for plots