Mathematics, 29.05.2021 09:10 zuleiny38

A random sample of 20 boys was taken to estimate the 98% confidence interval for the mean weight of boys aged between 14 to 15 years. The 98% confidence interval was found to be 45.5 < <
51.3. Find the sample mean and sample variance.

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A random sample of 20 boys was taken to estimate the 98% confidence interval for the mean weight of...