a researcher weighs each individual in a sample of 25 laboratory rats and calculates the average weight for the group. the average weight is an example of a ____ .

The average weight is an example of a statistical measure called the "mean." The mean is a measure of central tendency that represents the typical value or average of a data set. To calculate the mean, you sum up all the individual weights and divide it by the number of rats in the sample. In this case, the researcher would add up the weights of all 25 rats and then divide that sum by 25 to get the average weight.

mean, a particular measure of central tendency.