Once the System Is Operating Correctly, the Technician Should Instruct

question 13

True/False

Once the system is operating correctly, the technician should instruct the homeowner to keep duct registers clear of furnishings to allow the system to maintain the proper air flow rates.

---

Definitions:

Measures of Variability

Statistical metrics that describe the spread or dispersion within a data set, including range, variance, and standard deviation.

Coefficient of Variation

A normalized measure of the dispersion of a probability distribution or frequency distribution, often used to compare the degree of variation from one data series to another.

Standard Deviation

A measure of the dispersion or spread of a set of numbers, indicating how much variation there is from the average.

Standard Deviations

An indicator of how widely values in a dataset are spread out from the average, showing the degree to which these numbers vary from their mean.