Which of the following methods would be useful for graphical representation of data to show the relationship between two variables?

AOgive (cumulative frequency curve)

BPie chart

CHistogram

DScatter plot ✓ Correct

Correct answer: (D) Scatter plot

Explanation

A scatter plot displays the relationship between two variables as paired points.

An ogive plots cumulative frequency, not a relationship between two variables.

A pie chart shows proportions of a single whole.

A histogram shows the distribution of one continuous variable.

The pattern of points reveals the direction and strength of association.

A rising cloud of points suggests a positive correlation.

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