Plot the FEV₁ Data Presented in Q11 as a Scatterplot

question 16

Multiple Choice

Plot the FEV₁ data presented in Q11 as a scatterplot. You should get the scatterplot shown below. Inspecting the scatterplot, what is the r-value for the line of best fit?

• A) .96
• B) .94
• C) .93
• D) .92

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Definitions:

Observations

The collection of data points or information obtained through watching, measuring, or recording something.

Histogram

A graphical representation of data using bars of different heights to show the frequency distribution of a dataset.

Interval Data

A type of data that is measured along a scale, where each point is placed at a specific distance from others, but there is no true zero point.

Histogram

A graphical representation of the distribution of numerical data, often showing the frequency of data intervals.