Answer:
£11.20 – £33
Step-by-step explanation:
The minimum value in the table is £11.20. The maximum value in the table is £33. The range of costs is the interval bounded by these values.
The difference between the maximum and minimum is £33 -11.20 = £21.80.
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"Range" has two possible meanings here. When "range" is applied to function values, it has one meaning. When "range" is applied to statistical data, it can have a different meaning.
Choose the meaning as defined in your curriculum material.