When Analyzing a Chart That Contains a Trendline, Always Check

question 31

True/False

When analyzing a chart that contains a trendline, always check the axes to be sure that the differences shown in the chart are not being visually overstated.

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Definitions:

Quadratic Trend Line

A parabola that best fits the data in a scatterplot, used to model relationships that follow a quadratic pattern, showing accelerations or decelerations in trends.

Mean Absolute Deviation

A measure of variability that calculates the average distance between each data point and the mean of the data set.

Actual Values

The observed or measured values in a dataset, as opposed to predicted or estimated values.

Forecast Values

The projected or predicted numerical values in the future based on current and historical data analysis.