Which of the Following Is NOT a Characteristic of the Normal

question 142

Multiple Choice

Which of the following is NOT a characteristic of the normal distribution?

• A) It is symmetric.
• B) It is not bell-shaped.
• C) The mean equals the median.
• D) The mean equals the mode.

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Definitions:

Weber's Constant

A principle in psychophysics that quantifies the smallest change in a stimulus that can be detected, stating that this change is a constant proportion of the original stimulus intensity.

Threshold

The point at which a stimulus is strong enough to be detected or to cause a response.

Difference Threshold

The smallest detectable difference between two stimuli or the minimum change in a stimulus that can be correctly perceived as differing from a reference stimulus.

Just Noticeable Difference

The minimum difference in stimulus intensity that a specific sense (like sight, hearing, taste, touch, or smell) can detect.