Based on the Results of the Initial Analysis, What Would

question 41

Multiple Choice

Based on the results of the initial analysis, what would be the most appropriate test to run if you wanted to compare the pre-test results with the post-test results of each group (i.e. control group pre versus post test or experimental pre versus post-test) ?

• A) Willcoxon test
• B) Mann-Whitney test
• C) Paired-samples t-test
• D) Independent t-test

---

Definitions:

Confidence Interval

A selection of numerical values, culled from sample data, likely to hold within it the value of an unrevealed population parameter.

Population Mean

The average of all the data points in a population, representing the central tendency of the entire population's values.

Sample Mean

The average value of a set of data points taken from a sample of a larger population.

Population Parameter

A numerical value that represents a characteristic or feature of an entire population.