During a Gauge Test of an Air Condition System Your

question 6

Multiple Choice

During a gauge test of an air condition system your fine the suction pressure high and the discharge pressure low to normal. Which of the following could produce these gauge readings?

• A) Defective thermostatic switch
• B) Expansion valve held open
• C) Expansion valve not opening enough
• D) Refrigerant charge low

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Definitions:

Error Variable

A variable in statistical or mathematical models that represents the difference between observed and predicted values, often due to randomness or unexplained variation.

Outliers

Outliers are data points that deviate significantly from the rest of the data, potentially indicating variability in the measurement or experimental errors.

Regression Line

A straight line that best fits the data points on a scatter plot, showing the relationship between two variables.

Standardized Residual

The difference between the observed and predicted values, divided by the standard deviation of the residuals.