Over the past few decades public health officials have examined the link between weight concerns...
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Over the past few decades public health officials have examined the link between weight concerns and teen girls smoking Researchers surveyed a group of 273 randomly selected teen girls living in Massachusetts between 12 and 15 years old After four years the girls were surveyed again Sixty three said they smoked to stay thin Is there good evidence that more than thirty percent of the teen girls smoke to stay thin Give the null and alternative hypotheses Do not run a test
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