1:34 Where are the "extremes" of variation a bell curve that exists for any trait. \( \square \) on the rightight end of the bell curve only \( \begin{array}{l}\text { oneither end of the bell } \\ \text { curve }\end{array} \) \( \square \) in the middle of the bell curve on the leftend of the bell curve only

To determine where the "extremes" of variation are located in a bell curve (normal distribution), we need to understand the structure of the bell curve. 1. **Bell Curve Overview**: A bell curve is symmetric and represents the distribution of a trait. The highest point of the curve is the mean (average), and it tapers off towards both ends. 2. **Extremes of Variation**: The extremes of variation refer to the values that are farthest from the mean. In a bell curve: - The left end represents values that are significantly lower than the mean. - The right end represents values that are significantly higher than the mean. 3. **Conclusion**: The extremes of variation are found at both ends of the bell curve, not just one side or the middle. Based on this understanding, the correct answer is: - **on either end of the bell curve**. This indicates that the extremes of variation exist at both the left and right ends of the bell curve.