Question

1. which statistical test is appropriate for comparing the means of two independent samples?

a. independent samples t - test
b. anova
c. correlation coefficient
d. chi - square test

Explanation:

• Independent samples t - test: Specifically designed to compare the means of two independent groups.
• ANOVA: Used when comparing means of three or more groups.
• Correlation coefficient: Measures the strength and direction of a linear relationship between two variables, not for comparing means.
• Chi - square test: Used for categorical data to test associations or goodness - of - fit, not for comparing means of numerical data.

Answer:

A. Independent samples t - test