Constructing Data Tables

Your data table should:

· communicate the relationship between the manipulated and responding variables.

· communicate the order in which the manipulated variable was changed.

How to construct a data table:

· Make a table containing vertical columns for the manipulated variable, responding variable, and derived quantity (the average).

· The manipulated variable column is first, responding variable second, and derived quantity last.

· Subdivide the column for the responding variable to reflect the number of trials.

· Make a row for each level of the manipulated variable.

· Order the levels of the manipulated variable from the smallest to the largest.

· Head each column with the measurement made and the units.

Time (sec)	Height (mm)			Average Height (mm)
	trial 1	trial 2	trial 3

Sometimes more than one data table is necessary.