STAT 1040 Final: final spring2008
31 Jan 2019
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Aspartame is an arti cial sweetener found in thousands of products sodas, chewing gum, dairy products and even many medicines. Some research has suggested that aspartame can cause lymphoma or leukemia in rats. A recent study by the national cancer institute involved 340,045 men and 226,945 women, ages 50 to 69. From surveys they lled out in 1995 and 1996 detailing food and beverage consumption, researchers calculated how much aspartame they consumed. Over the next ve years, 2,106 developed cancers such as lymphoma or leukemia. Why? (b) (4 points) suggest a possible confounding factor for this study and explain why your confounding factor might make you doubt their results. (c) (2 points) it"s very reassuring. It"s a large study with a lot of power, said richard. Adamson, a senior science consultant to the american beverage association, the leading industry group. Explain: a randomized, controlled, double-blind study published in march, 2008 shows the well-known.
