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2. Extremely smoky dwellings are common in the world's underdeveloped countries. where open re pits in the home traditionally provide heat for cooking and warmth.

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2. Extremely smoky dwellings are common in the world's underdeveloped countries. where open re pits in the home traditionally provide heat for cooking and warmth. The concern is that this practice contributes (increases) to the risk of developing lung cancer. For decades, many countries have encouraged their citizens to install stoves with chimneys that may funnel away smoke from the living spaces in an attempt to abate the occurrence of lung cancer. To determine whether the switch to vented stoves (stoves with chimneys) decreased lung cancer rates, a study was conducted in one such country. Data were gathered in 2010 in one region of this country by randomly selecting 1200 homes from that region that had switched to vented stoves and 1300 homes that had not switched. Data were gathered on both men and women in the study. The data revealed that 63 nonsmoking men who had switched to vented stoves had developed lung cancer, while 96 nonsmoking men whose homes had not been converted to vented stoves had developed lung cancer. a. Was the program effective in decreasing the lung cancer rates amongst men? Support your answer with appropriate statistical evidence (follow the rules for inference in your test). Can we conclude that using vented stoves rather than open re pits would reduce the incidence of lung cancer

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