The correct option is: Option #1: bell-shaped symmetrical data.
In bell-shaped symmetrical distributions (often resembling a normal distribution), the mean serves as an effective balance point that accurately represents the central tendency of the data. In contrast, for skewed data (right-leaning and left-leaning), the mean can be influenced by outliers and may not represent the data well. U-shaped data also does not lend itself well to the use of the mean as a balance point.