An investigator wants to compare the mean ages between mothers who have and do not have a history of substance abuse. Histograms for the two groups are given below. Based on these figures, would it be reasonable to perform a two-sample t-test with equal variances? Why or why not?
Definitions:
Perform Reaction
The process of conducting a chemical reaction under specified conditions to yield products.
Scatterplot
A graph in which the values of two variables are plotted along two axes, allowing for the visualization of relationships or patterns between them.
Graphical Tool
Visual instruments like charts, graphs, and plots used for analysis and data presentation.
Variables
Elements or features that can vary among individuals or over time and are measured or controlled in scientific research.
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