Histograms (Junior Cert Mathematics): Flashcards
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12 cards from this deck
Histogram definition
Histogram definition
Bar graph showing data distribution across ranges/intervals
Class interval in histogram
Class interval in histogram
Range of values each bar represents
Histograms vs bar charts
Histograms vs bar charts
Histograms show ranges; bar charts show categories
Best data type for histograms
Best data type for histograms
Continuous data (e.g., speed, time, age)
Histogram represents
Histogram represents
Ranges or intervals of data
Histogram represents
Histogram represents
Frequency (number of data points)
Bar height in histogram shows
Bar height in histogram shows
How many data points fall in that range
Key feature: histogram bar spacing
Key feature: histogram bar spacing
No gaps between bars
Tallest bar meaning
Tallest bar meaning
Most common/frequent data range
Shortest bar meaning
Shortest bar meaning
Least common/frequent data range
What histogram bars represent
What histogram bars represent
Class intervals (ranges of values)
Main purpose of histograms
Main purpose of histograms
Show how data is distributed across different ranges