Below You Are Given Ages That Were Obtained by Taking $\mu$

question 108

Essay

Below you are given ages that were obtained by taking a random sample of 9 undergraduate students. Assume the population has a normal distribution.

a.What is the point estimate of $\mu$ ?
b.Determine the standard deviation.
c.Construct a 90% confidence interval for the average age of undergraduate students.
d.Construct a 99% confidence interval for the average age of undergraduate students.
e. Discuss why the 99% and 90% confidence intervals are different.

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Definitions:

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A simple cardiovascular exercise used to evaluate an individual's cardiorespiratory fitness by stepping on and off a platform for a set period.

Very Poor Physical Condition

A state of health characterized by low levels of physical fitness and wellness, often associated with illness or a sedentary lifestyle.

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The number of heartbeats per unit of time, usually per minute, an important indicator of heart health and physical condition.

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