The air in poultry-processing plants often contains fungus spores. Inadequate ve

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The air in poultry-processing plants often contains fungus spores. Inadequate ventilation can affect the health of the workers. The problem is most serious during the summer. To measure the presence of spores, air samples are pumped to an agar plate and "colony-forming units (CFUs)" are counted after an incubation period. Here are data from two locations in a plant that processes 37,000 turkeys per day, taken on four days in the summer. The units are CFUs per cubic meter of air. Day Day 2 Day 3 Day 4 Kill room 3175 2526 1763 1090 Processing 529 141 362 224 The spore count is clearly higher in the kill room. Give sample means and a 99% confidence interval to estimate how much higher the spore count is in the kill room. To do this problem correctly you need to think carefully about whether this is really a matched pairs design (one sample with two measurement) or a two sample design. Question:99% confidence interval: _________________________? I have been trying more than 10 times to do this question;however, i still cannot get the result correctly. Please help me to figure it out. Thank you

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