Q. 16 - Elementary Statistics

Question

What does the symbol $z_{\alpha }$ signify?

Step-by-Step Solution

Answer

The symbol $z_{\alpha }$ corresponds to the $z-$score.

Step 1: Given Information

To clarify the meaning of the symbol $z_{\alpha }.$

Step 2: Explanation

Imagine the symbol $z_{\alpha }$,

Under the standard normal curve, the z-score is denoted by the symbol $z_{\alpha }$, which has the area $\alpha$ to its right as well.

Above is a diagram showing the area under the curve on the right side.