Histograms (AQA A-Level Mathematics): Flashcards
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Practise the cards
10 cards from this deck
Chart used for continuous data distribution
Chart used for continuous data distribution
Histogram
What do histogram bars represent?
What do histogram bars represent?
Frequency of data within a range
Are there gaps between histogram bars?
Are there gaps between histogram bars?
No gaps - bars are adjacent
What does bin width represent?
What does bin width represent?
Interval size
In histograms, bar area is proportional to
In histograms, bar area is proportional to
Frequency
What is the modal class in a histogram?
What is the modal class in a histogram?
Bin with highest bar/frequency
What are the 3 types of histogram skewness?
What are the 3 types of histogram skewness?
Left (negative), right (positive), symmetric
What data type is used for histograms?
What data type is used for histograms?
Continuous
What data type is used for bar charts?
What data type is used for bar charts?
Categorical
Open-ended class treatment (no info known)
Open-ended class treatment (no info known)
Make final class double width of previous