The correct response is: Symmetrical data means that the mean is the best measure of center.
In a symmetrical distribution, such as a normal distribution, the mean, median, and mode are all located at the same point, making the mean a reliable measure of center. However, when dealing with skewed data, the mean can be influenced by extreme values (outliers), making the median a more appropriate measure of center in those cases. Therefore, the shape of the distribution plays a crucial role in deciding which measure of center is most appropriate.