For a Two-Sample Hypothesis Which Tests for Differences in Population

question 5

Multiple Choice

For a two-sample hypothesis which tests for differences in population parameters (1) and (2) , a two-tailed test seeks evidence that population parameter:

• A)seeks evidence that population parameter (2)is larger than parameter (1).
• B) (2)is the same as parameter (1).
• C) (2)is smaller than parameter (1).
• D) (1)and (2)do not belong to the same data.

---

Definitions:

Least-Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the vertical distances of the points from the line.

Least-Squares Regression

A statistical method used to determine the best-fitting line through a set of points, minimizing the sum of the squares of the distances of the points from the line.

Statistical Evidence

Data collected and analyzed for the purpose of supporting a conclusion or hypothesis.

Step-Variable Cost

The cost of a resource that is obtained in large chunks and that increases and decreases only in response to fairly wide changes in activity.