BRAINCAKEInterpreting Graphs 4
The type of graph depends on the type of data.
Categoric data (such as blood group or species) and discrete data (whole numbers, such as number of petals) are shown on a bar chart. The bars are the same width and are separated by gaps.
Continuous data that have been grouped into classes (such as height in 5 cm intervals) are shown on a histogram. There are no gaps between the bars because the data are continuous.
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Key terms in this lesson
- continuous variation
- Variation in which individuals within a population show a range of values for a characteristic, with no distinct categories, usually produced by the combined effect of several genes and the environment.
- discontinuous variation
- Variation in which individuals fall into two or more distinct categories, with no intermediate forms, usually controlled by a single gene or a small number of genes.
More in Biodiversity
- Mean and Standard Deviation
- Interpreting Graphs 1
- Interpreting Graphs 2
- Interpreting Graphs 3
- Interpreting Graphs 5
- Interpreting Graphs 6
- Interpreting Graphs 7
- Interpreting Graphs 8
All 33 lessons in Biodiversity · All AQA AS-level Biology topics