Statistical Description of DataPYQ June 22Question 2635 of 295
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Multiple axis line chart is considered when

Options

AThere is more than one time series
BThe units of the variables are different
CIn any case
DIf there are more than one time series and unit of variables are different.
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Correct Answer

✅ Option d — If there are more than one time series and unit of variables are different.

All Options:

  • AThere is more than one time series
  • BThe units of the variables are different
  • CIn any case
  • DIf there are more than one time series and unit of variables are different.

Detailed Solution & Explanation

A multiple axis line chart (also called a dual-axis line chart) is used in statistical data presentation to plot more than one time series on the same graph when the variables have different units of measurement or vary significantly in scale. If the variables had the same units and similar scales, they could be plotted on a single y-axis. When the units of the variables are different (for example, plotting temperature in Celsius and rainfall in millimeters over time) and there is more than one time series, using multiple axes ensures that each series is scaled appropriately and can be analyzed simultaneously without distortion. Thus, both conditions must be met. Hence, **Option D** is the correct answer.

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