The Graph Below Shows the Relationship Between the Temperature (Degrees

question 71

Multiple Choice

The graph below shows the relationship between the temperature (degrees Fahrenheit) inside an oven and the time since the oven was turned off. Find the slope of the line between the two points shown on the graph, namely (20, 275) and (50, 125) . Write a sentence that states the meaning of the slope.

• A) m = -5; The temperature of the oven decreases 5 °/min.
• B) m = -6; The temperature of the oven decreases 6 °/min.
• C) m = 5; The temperature of the oven increases 5 °/min.
• D) m = -150; The temperature of the oven decreases 150 °/min.
• E) m = 5; The temperature of the oven decreases 5 °/min.

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Definitions:

Forecast Accuracy

The degree to which forecasted values approach the actual realized values.

Mean Absolute Deviation

The average of the absolute differences between each value in a set of values and the mean of the set, used to quantify variability.

Sum of Squares

A statistical technique used to describe the amount of variation or dispersion of a set of data points.

Mean Absolute Deviation

The mean absolute deviation is a measure of dispersion in a dataset, calculated as the average of the absolute differences between each data point and the dataset's mean.