An experiment is performed by recording the instantaneous height of the lift with respect to time elapsed. The following scatter plot depicts the recorded data.

What is the correlation between the height of the lift and time for this particular situation?

Positive correlation

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Negative correlation

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No correlation

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Solution

The correct option is B Negative correlation
From the figure, it is clear that as time elapsed, the height of the lift decreased.
$∴$ The height of lift and time are negatively correlated.

This is the case when a lift descends downwards.

This can be visualized by drawing the line of best fit.
A trend line is a line around which all the given points are equally scattered. The trend line that captures the essence of the data is called the line of best fit.

Here, the line is slanting downwards.
$∴$ It has a negative slope, and hence a negative correlation exists.

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An experiment is performed by recording the instantaneous height of the lift with respect to time elapsed. The following scatter plot depicts the recorded data. What is the correlation between the height of the lift and time for this particular situation?

An experiment is performed by recording the instantaneous height of the lift with respect to time elapsed. The following scatter plot depicts the recorded data.

What is the correlation between the height of the lift and time for this particular situation?