Histograms (Grade 11 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a histogram display?
What does a histogram display?
Frequency of events
How do histogram bars differ from regular bar chart bars?
How do histogram bars differ from regular bar chart bars?
Adjacent bars touch each other
What is the formula for relative frequency?
What is the formula for relative frequency?
If 5 out of 16 students are in primary school, what is the relative frequency?
If 5 out of 16 students are in primary school, what is the relative frequency?
What is critical when grouping numerical data into intervals for histograms?
What is critical when grouping numerical data into intervals for histograms?
Intervals must be equal in width
What does the y-axis of a histogram show?
What does the y-axis of a histogram show?
Count or frequency
How do you create a frequency polygon from a histogram?
How do you create a frequency polygon from a histogram?
Mark midpoints of bar tops, connect them
Why are frequency polygons useful?
Why are frequency polygons useful?
To compare multiple datasets
In the heights example, which interval had the highest frequency?
In the heights example, which interval had the highest frequency?
cm with 7 people
When drawing frequency polygons, what should you connect?
When drawing frequency polygons, what should you connect?
Midpoints of interval tops