Frequency Tables (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of a box plot?
What is the main purpose of a box plot?
To display the interquartile range
What does the rectangular box in a box plot represent?
What does the rectangular box in a box plot represent?
The interquartile range (IQR)
What do the whiskers on a box plot show?
What do the whiskers on a box plot show?
The full range of data
What percentage of data falls below the lower quartile ()?
What percentage of data falls below the lower quartile ()?
25%
What percentage of data falls below the upper quartile ()?
What percentage of data falls below the upper quartile ()?
75%
How many essential statistical measures does every box plot contain?
How many essential statistical measures does every box plot contain?
Five
What percentage of data does the box in a box plot always represent?
What percentage of data does the box in a box plot always represent?
50%
How do you calculate the interquartile range (IQR)?
How do you calculate the interquartile range (IQR)?
Q3 Q1
When constructing a box plot, what line is drawn inside the box?
When constructing a box plot, what line is drawn inside the box?
A vertical line at the median
What does a larger spread indicate about a data set?
What does a larger spread indicate about a data set?
Less consistency, more variation
What does a smaller spread suggest about data values?
What does a smaller spread suggest about data values?
More tightly clustered around centre
When comparing data sets, what two aspects should you examine?
When comparing data sets, what two aspects should you examine?
Central tendencies and spreads