This unit will calculate the value of chi-square for a one-dimensional "goodness of fit" test, for up to 8 mutually exclusive categories labeled A through H. To enter an observed cell frequency, click the cursor into the appropriate cell, then type in the value. Expected values can be entered as either frequencies or proportions. If you enter the expected values as proportions, the entries can take the form of either decimal fractions such as .25,
or common fractions such as 1/4.
Whenever possible, it is better to enter common fractions rather than rounded decimal fractions: 1/3
rather than .3333; 1/6
rather than .1667; and so forth.
When all observed and expected values have been entered, click the «Calculate» button. To perform a new analysis with a new set of data, click the «Reset» button.
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©Richard Lowry 2001-
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