Mathematics, 20.12.2020 09:20, xaviiaquino3378
At the Foremost State Bank the average savings account balance in 2012 was $1900. A random sample of 45 savings account balanes for 2013 yielded a mean of $1000 with a standard deviation of $225. At the α = 0.01 significance level test the claim that the mean savings account balance in 2013 is different from the mean savings account balance in 2012.
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At the Foremost State Bank the average savings account balance in 2012 was $1900. A random sample of...
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