What the 99% confidence interval for the population score
A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, what the 99% confidence interval for the population average examination score is ?
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A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, what the 99% confidence interval for the population average examination score is
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Is there evidence that the population mean amount is different from 25.3 hours? Determine the p-value and interpret its meaning.
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