Find lifetimes of the batteries are relatively consistent


Find the 90% confidence interval for the variance and standard deviation for the lifetime of desposable camera batteries if a sample of 16 disposable camera batteries has a standard deviation of 2.1 months. Assume the variance is normally distributed. Do you fell that the lifetimes of the batteries are relatively consistent?

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Basic Statistics: Find lifetimes of the batteries are relatively consistent
Reference No:- TGS0111619

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