Which Statistic Is Appropriate for Use to Estimating the Heterogeneity

question 93

Multiple Choice

Which statistic is appropriate for use to estimating the heterogeneity of a test composed of multiple-choice items?

• A) point-biserial correlation coefficient
• B) Pearson-product moment correlation coefficient
• C) coefficient alpha
• D) chi square

Identify the concept of divided government and its implications.

Describe the phenomenon of electoral realignment.

Analyze the significance of notable third-party candidacies and their impact on U.S. elections.

Explain the composition and changes within major political coalitions.

---

Definitions:

Direct Materials

Direct materials are raw materials that are directly used in the production of a product and are an integral part of the finished product.