Range and Variability (Leaving Cert Mathematics): 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 formula for calculating the range?
What is the formula for calculating the range?
Highest value Lowest value
Why is the range considered a crude measure of spread?
Why is the range considered a crude measure of spread?
It only uses the two extreme values
What does a smaller range indicate about a dataset?
What does a smaller range indicate about a dataset?
More consistent data
Jane's range is 10 and Conor's is 6. Who has more consistent results?
Jane's range is 10 and Conor's is 6. Who has more consistent results?
Conor
How many equal parts do quartiles divide data into?
How many equal parts do quartiles divide data into?
Four
What position does the lower quartile () represent?
What position does the lower quartile () represent?
One-quarter through the data
What position does the upper quartile () represent?
What position does the upper quartile () represent?
Three-quarters through the data
What is the formula for the interquartile range?
What is the formula for the interquartile range?
Why is the interquartile range better than the range?
Why is the interquartile range better than the range?
It isn't affected by extreme values
What must you do first before calculating quartiles?
What must you do first before calculating quartiles?
Arrange data in ascending order
With 11 values, which position is the median using ?
With 11 values, which position is the median using ?
6th value
If and , what is the interquartile range?
If and , what is the interquartile range?
21