Finding a Missing Value in a Data Set from the Mean (Decimal Answer)

2018-12-27 15:38
This interactive example demonstrates how to determine an unknown value in a data set when the arithmetic mean is given. Users input known values through input boxes, and the system calculates the missing term using the mean formula (sum ÷ count = mean), with the answer presented as a decimal. The exercise reinforces the inverse relationship between the mean and the sum of data points, suitable fo