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 . parameter statistic variable constant

Statistics                

Explanation:

Statistics: The term "statistics" is described as one of the forms of "mathematical analysis" that generally utilizes synopses, representations, and quantified models for specific real-life studies or experimental data set. However, it studies distinct methodologies in order to collect data, review data, analyze data, and therefore make conclusions from a given data.

In other words, it is being utilized to make inferences or to estimate values about a particular "population".

In the question above, the given statement signifies the statistics.

The average weight is an example of a STATISTIC.

Explanation: A statistic can be defined as a quantity calculated from the data in a sample, which characterises an important aspect in the sample such as mean or standard deviation. Mean also in statistics is the AVERAGE of a set of values, calculated by summing them together and dividing by the number of terms.