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Mathematics, 16.04.2020 03:13 FrankyV4387
The US Agency for Healthcare Research and Quality (www. ahrq. gov) reported that in 2010 the mean cost of a stay in a hospital for American women aged 18-44 was $15,200. A random sample of 400 hospital stays for American women aged 18-44 showed a mean cost of $16,000, with a standard deviation of $5000. Test whether the population mean cost for a hospital stay for American women aged 18-44 has increased since 2010, using the 5% level of significance.
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The US Agency for Healthcare Research and Quality (www. ahrq. gov) reported that in 2010 the mean co...
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