Data (HSC SSCE Mathematics Advanced): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does frequency represent for grouped data?
What does frequency represent for grouped data?
Number of observations in that interval
What is the formula for relative frequency?
What is the formula for relative frequency?
Why is relative frequency useful?
Why is relative frequency useful?
Comparing datasets of different sizes
What value does cumulative frequency reach at the end of a dataset?
What value does cumulative frequency reach at the end of a dataset?
(total observations)
How are bars positioned in a histogram?
How are bars positioned in a histogram?
Adjacent with no gaps
How is the mode identified on a frequency histogram?
How is the mode identified on a frequency histogram?
The tallest bar
To find the median from a cumulative frequency histogram, first locate which value on the y-axis?
To find the median from a cumulative frequency histogram, first locate which value on the y-axis?
In a relative frequency histogram, what do bar heights represent?
In a relative frequency histogram, what do bar heights represent?
Proportions or percentages
Where are points plotted when constructing a cumulative frequency polygon?
Where are points plotted when constructing a cumulative frequency polygon?
At upper boundary of each class
What cannot be found directly from a cumulative frequency polygon?
What cannot be found directly from a cumulative frequency polygon?
The mode