Question

percentiles
due on 12.05.2025 not graded
directions
answer the questions below to check your understanding and move forward in the course! this quiz is not graded.
true/false. to find the z - score, you must first use this formula: $z=\frac{mu - x}{sigma}$. select the correct answer
false
true

Explanation:

Step1: Recall z - score formula

The correct formula for the z - score is $z=\frac{x - \mu}{\sigma}$, where $x$ is the data - point, $\mu$ is the mean and $\sigma$ is the standard deviation. The formula given in the question $z=\frac{\mu - x}{\sigma}$ is incorrect.

Answer:

False