a mean 397 8 In a study of life expectancy of 800 people in a certain geograpfic region, the mean age at death was 69 years and standard deviation of 5 2 years If a sample of 5 2 Jours 45 people from this region is selected, compute the standard error (the standard deviation of the sample mean) by...

8 The standard error of the sample mean is given by SE n where is the population standard deviation ...

a mean 397 8. In a study of life expectancy of 800 people in a certain...

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Elementary Statistics A Step By Step Approach

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a mean 397 8. In a study of life expectancy of 800 people in a certain...

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