To Test the Effectiveness of a Business School Preparation Course

question 79

Multiple Choice

To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the course. There is evidence that the before and after exam scores are not normally distributed. Which of the following tests will be the most appropriate?

• A) Pooled-variance t test
• B) Paired t test
• C) Wilcoxon rank sum test
• D) Wilcoxon signed rank test

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Definitions:

Plant Propagation

Plant propagation is the process of creating new plants from a variety of sources, such as seeds, cuttings, and other plant parts.

Stolons

Horizontal above-ground stems or runners that extend from the base of the plant, capable of producing new plants at nodes along their length.

Kalanchoe

A genus of succulent flowering plants that are known for their unique water retention capabilities and often used in decorative gardening.

Chlorophytum

A genus of perennial flowering plants, commonly known as spider plants, notable for their easy care and air-purifying qualities.