Displaying and Describing Numerical Data - Further Exploration (VCE SSCE General Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of data can only take specific, separate values?
What type of data can only take specific, separate values?
Discrete data
What formula calculates percentage in a frequency table?
What formula calculates percentage in a frequency table?
(frequency total) 100
When should you group data into intervals?
When should you group data into intervals?
When variable takes many different values
What is a critical principle for choosing intervals?
What is a critical principle for choosing intervals?
Intervals must not overlap
How many groups (intervals) should you aim for when grouping data?
How many groups (intervals) should you aim for when grouping data?
Approximately 5 to 15 groups
What is the modal interval?
What is the modal interval?
Interval with highest frequency
What does the vertical axis of a histogram show?
What does the vertical axis of a histogram show?
Frequency (count or percentage)
How do histograms differ from bar charts?
How do histograms differ from bar charts?
Histograms show numerical data, no gaps
How should columns appear in a histogram for continuous data?
How should columns appear in a histogram for continuous data?
Columns touch with no gaps
What must be true about gaps between intervals when grouping data?
What must be true about gaps between intervals when grouping data?
There should be no gaps
