Grouped Frequency and Cumulative Frequency (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which rule is essential for class intervals in a grouped frequency table?
Which rule is essential for class intervals in a grouped frequency table?
Intervals should not overlap
How many groups should you aim for when creating class intervals?
How many groups should you aim for when creating class intervals?
5 to 15 groups
What is the class centre for the interval ?
What is the class centre for the interval ?
Which column is NOT part of a grouped frequency table?
Which column is NOT part of a grouped frequency table?
Cumulative frequency
What does cumulative frequency represent?
What does cumulative frequency represent?
Running total of frequencies
In a frequency histogram, how should the bars be positioned?
In a frequency histogram, how should the bars be positioned?
Bars should touch each other
What does a frequency polygon connect?
What does a frequency polygon connect?
Midpoints at top of histogram bars
What is another name for a cumulative frequency polygon?
What is another name for a cumulative frequency polygon?
Ogive
When creating an ogive, which corners of rectangles do you connect?
When creating an ogive, which corners of rectangles do you connect?
Top right-hand corners
What should the final cumulative frequency equal?
What should the final cumulative frequency equal?
Total number of data values