Continuous and discontinuous variation: practical | Exit Quiz | Oak National Academy

Which of the following is an example of discontinuous variation?

• earlobe attachment

• satsuma circumference

• length of leaf

• body mass

Answer explanation

Earlobe attachment is an example of discontinuous variation.

Which table uses tally marks to record data on the heights of students?

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Answer explanation

Table 2 shows tally marks being used to count how many students have a height within a particular range, based on the raw data in table 1. The tallies have been converted into numbers in table 3.

Which two of the following are examples of continuous variation?

• height of a tree

• length of a neck

• fur colour

• ability to roll tongue

Answer explanation

Height, length, mass and circumference are all examples of continuous variation.

Whose explanation of discontinuous variation is correct?

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Answer explanation

Discontinuous variation has a number of specific categories.

Whose explanation of continuous variation is correct?

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Answer explanation

Continuous variation can take any value over a continuous range.