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Question: A health specialist conducted an 8-week workshop on weight control during which all 17 of the people who completed the course lost weight. To assess the long-term effects of the workshop, she weighed the participants again 10 months later. The weight lost or gained is listed with a positive sign for those who continued to lose weight and a negative sign for those who gained some back. What can you conclude about the long-term effects of the workshop?

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