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6.The following was written as a part of an application for a small business loan by a group of developers in the city of Monroe. A jazz music club in Monroe would be a tremendously profitable enterprise. Currently, the nearest jazz club is 65 miles away; thus, our proposed club, the C Note, would have the local market all to itself. Plus, jazz is extremely popular in Monroe: over 100,000 people attended Monroes jazz festival last summer, several well-known jazz musicians live in Monroe, and the highest-rated radio program in Monroe is Jazz Nightly, which airs every weeknight. Finally, a nationwide study indicates that the typical jazz fan spends close to $1,000 per year on jazz entertainment. It is clear that the C Note cannot help but make money. A、首先，该全国范围的调查样本选取是否足够随机，如果不随机，则调查结果就不能够得出人均花费$1,000在爵士音乐娱乐上的结论。 B、即使该调查足够随机，那也是全国范围的调查结论，对于M地区并不一定成立。M地区的居民花费在爵士音乐娱乐上的钱不足$1,000。正如作者所说，M地区的居民喜欢Jazz Nightly的广播节目，因此该地区的居民可能更喜欢收听免费的广播，而不是去俱乐部等地方进行消费。 C、即使M地区的居民也年均花费$1,000在爵士娱乐上，也不一定会去M地区的C Note爵士音乐俱乐部。目前的俱乐部虽然远，但并不代表人们不去。可能该俱乐部环境比较好，爵士音乐纯正，人们喜欢去那里。 | 
