As the standard deviation of a normal distribution increases, the percentage of the area between ± 1 standard deviation will________.
A) increase.
B) stay the same.
C) decrease.
D) become non-symmetrical.

Question

Quizplus · Accepted Answer

The percentage of the area within ±1 standard deviation from the mean in a normal distribution remains constant at approximately 68.27%, regardless of the standard deviation's value.

As the Standard Deviation of a Normal Distribution Increases, the Percentage