Singapore P6 Average — average, total and number of data, and the four Paper 2 forms where the total has to be recovered before anything can be answered: a missing value, a value added, a value removed, and two groups of different sizes combined.
Singapore P6 Average — average, total and number of data, and the four Paper 2 forms where the total has to be recovered before anything can be answered: a missing value, a value added, a value removed, and two groups of different sizes combined.