Dummy Variables Cannot Be Used to Estimate the Seasonal Effects

question 148

True/False

Dummy variables cannot be used to estimate the seasonal effects on a regression model applied to time-series data.

---

Definitions:

Main Pressure Tap

A point within a fluid system designed for pressure monitoring or for connecting measurement devices.

ECPC Valve

Electronically Controlled Pressure Control valve, used in automatic transmissions to control the hydraulic pressure based on electronic signals.

Caterpillar CX

A series of transmission products manufactured by Caterpillar, specifically designed for heavy-duty applications.