Histograms with unequal class widths (AQA GCSE Statistics): 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 density represent?
What does frequency density represent?
Area of the bar
How is class width calculated?
How is class width calculated?
Upper - lower boundary
What is the formula for frequency density?
What is the formula for frequency density?
Frequency ÷ class width
Why use frequency density in histograms?
Why use frequency density in histograms?
To adjust for unequal widths
What is the frequency density for 12 in width 5?
What is the frequency density for 12 in width 5?
2.4
How does missing class widths affect a histogram's representation of data?
How does missing class widths affect a histogram's representation of data?
It distorts the overall shape
What should the vertical axis be labeled?
What should the vertical axis be labeled?
Frequency density
What is the class width for 25 < L ≤ 45?
What is the class width for 25 < L ≤ 45?
20
What is a common error when interpreting histograms?
What is a common error when interpreting histograms?
Misreading data values
What does the area of each bar represent?
What does the area of each bar represent?
Actual frequency