Mathematics, 23.11.2021 01:00, Jerry4891

Public health officials have examined the link between weight concerns and teen girls' smoking. Researchers surveyed a group of 270 randomly selected teen girls. After 4 years the girls were surveyed again. 66 said they smoked to stay thin. Is there good evidence that more than 30% of the teen girls smoke to stay thin? The test statistic is

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Public health officials have examined the link between weight concerns and teen girls' smoking. Rese...