Tell Where the Function Is Decreasing

question 21

Multiple Choice

Tell where the function is decreasing.

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Definitions:

Mean Absolute Deviation

The average of the absolute differences between each data value and the mean of the data set, measuring variability.

Forecast Error

The difference between the actual value and its forecasted value in a time series analysis.

Sum of Squares

The total squared difference between each observation and the mean of the data set, used in statistical analysis to measure variation.

Mean Absolute Deviation

A measure of variability that shows the average distance between each data point and the mean of the dataset.