Question: A random sample of n = 25 observations from a normal population produced a sample variance equal to 21.4. Do these data provide sufficient evidence

A random sample of n = 25 observations from a normal population produced a sample variance equal to 21.4. Do these data provide sufficient evidence to indicate that σ2 > 15? Test using α = .05.

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It is necessary to test H a 2 15 versus H a 2 15 This will be done using s 2 the sample va... View full answer

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