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, you must set up an equation using the formula for the mean (

The table shows the distribution of test scores of pupils in ... - Filo , you must set up an equation using

The table shows the distribution of test scores of pupils in ... - Filo , you must set up an equation using

typically appears as a key step in a cross-multiplication equation used to solve for an unknown variable in a frequency table. 1. Context of the Equation , you must set up an equation using