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In a study, we see that plastic microparticles are contaminating the world's shorelines and that much of the pollution appears to come from fibers from washing polyester clothes. The same study also took samples from ocean beaches. Five samples were taken from each of 18 different shorelines worldwide, for a total of 90 samples of size 250 mL. The mean number of plastic microparticles found per 250 mL of sediment was 18.3 with a standard deviation of 8.2.
Find a 99% confidence interval for the mean number of polyester microfibers per 250 mL of beach sediment.
Round your answers to two decimal places.
What is the margin of error?
Round your answer to two decimal places.
Having a difficult time finding a health care article that pertains to correlation statistical procedures. I am not even sure what that means.
you are a real estate agent and you are trying to predict home prices for your clients that want to list their house
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Describe simple linear regression and multiple linear regressions and give illustrations.
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