Use the REGRESSION Feature on a Graphing Calculator

question 142

Multiple Choice

Use the REGRESSION feature on a graphing calculator.
-In the table below, x represents the number of years since 2000 and y represents sales (in thousands of dollars) of a clothing company. Use the regression equation to estimate sales in the year 2006. Round to the nearest
Thousand dollars.

• A) $8,000
• B) $20,000
• C) $2,000
• D) $14,000

---

Definitions:

Treatment Effect

The impact of an intervention or treatment in experimental research, measured by the difference in outcomes between treated and control groups.

Ecological Isomorphism

The extent to which an experimental condition is similar to the real-world conditions it is attempting to simulate.

Replicate Real-life Conditions

The process of mimicking the conditions of real-life scenarios within a controlled environment for testing or experimentation.

Experimentally Sound Practices

Methods or approaches in research that are rigorously tested and validated through experimentation.