During 2001, 61.3% of U. S. households purchased ground coffee. These households spent an average of $36.16 on ground coffee with a standard deviation of $10.00 (from the annual product preference study in the
During 2001, 61.3% of U. S. households purchased ground coffee. These households spent an average of $36.16 on ground coffee with a standard deviation of $10.00 (from the annual product preference study in the
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