A Car Traveling at 4

question 9

Multiple Choice

A car traveling at 4.0 m/s has a constant acceleration of 2.0 m/s².After 3.0 seconds,the average velocity during the acceleration is

• A) 5.0 m/s.
• B) 7.0 m/s.
• C) 9.0 m/s.
• D) 11 m/s.
• E) 13.

---

Definitions:

Goodness-of-fit Test

A statistical test used to determine how well observed data fit the expected distribution.

Two-way Classification

A method of organizing data that involves two independent variables to understand the relationship between them and their impact on a dependent variable.

Chi-square Technique

A statistical method used to assess the differences between observed frequencies and expected frequencies in one or more categories.

Qualitative Variables

Variables that describe or categorize attributes or characteristics of a sample or population, without implying any order or numerical value for comparison.