Examlex
In a chi-square test of independence the contingency table has 4 rows and 3 columns.The number of degrees of freedom for this test is 7.
Acid Derivative
A compound obtained by replacing one or more of the hydroxyl groups of an acid with an organic group.
Anhydride
A compound formed from the removal of water molecules between two carboxylic acid molecules.
Organic Product
A compound or material derived from living organisms or produced by organic chemical reactions.
Reaction
A transformation process where reactants are converted into different substances known as products.
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