Which of the Following Is NOT One of the Four

question 105

Multiple Choice

Which of the following is NOT one of the four major classes of psychoactive drugs

• A)depressants
• B)stabilizers
• C)opioids
• D)hallucinogens

---

Definitions:

Variance

Measures the dispersion of a set of data points around their mean; mathematically, it is the average of the squared differences from the Mean.

SSE

Sum of Squared Errors, a measure used in statistics to quantify the discrepancy between the data and an estimation model.

SST

In statistics, SST stands for Total Sum of Squares, which is a measure of the total variance in a dataset, representing the sum of squared differences from the mean.

One-Way ANOVA

A statistical test that assesses whether there are any statistically significant differences between the means of three or more independent (unrelated) groups.