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Statistics - Hypothesis Testing for Storing Vitamins

Does bread lose its vitamins when stored? Small loaves of bread were prepared with flour that was fortified with a fixed amount of vitamins. After baking, the vitamin C content of two loaves was measured. Another two loaves were baked at the same time, stored for three days and then the vitamin C content was measured. The units are milligrams per hundred grams of flour (mg/100g). Here are the data ... (Please see the attached file)


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