Which of the following methods of graphical representation of data would be useful for showing trends?

ABar charts

BLine charts ✓ Correct

CBox plots

DPie charts

Correct answer: (B) Line charts

Explanation

Line charts are best for showing trends and change over time.

Bar charts compare quantities across discrete categories.

Box plots summarise the spread and median of a distribution.

Pie charts show proportions of a whole, not trends.

Connecting successive points makes rising or falling patterns visible.

The horizontal axis of a trend line chart usually represents time.

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