A study of seat belt users and non-users yielding the randomly selected ...
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A study of seat belt users and non-users yielding the randomly selected sample data summarized in the table provided. |
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A) a plausible theory is that people who smoke more as less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? (Do not use tests. Only STATDISK necessary) |
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B) Divide all numbers in the table by 10, and answer the same question. |