Question

an) ______ is conducted in order to determine whether there are meaningful differences between two groups in a study.
statistical analysis
scatterplot
validity assessment
correlation coefficient

Explanation:

Statistical analysis is used to determine if there are significant differences between groups in a study. A scatter - plot shows the relationship between two variables, validity assessment checks the accuracy of a measurement, and correlation coefficient measures the strength of a linear relationship between variables.

Answer:

A. statistical analysis