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Listed below are the amounts of net worth​ (in millions of​ dollars) of the ten wealthiest celebrities in a country. Construct a

95​% confidence interval. What does the result tell us about the population of all​ celebrities? Do the data appear to be from a normally distributed population as​ required?

 

245.216,185,174,161,158,147,147,147,147

What is the confidence interval estimate of the population mean mu?

 

$___ Million < mu < $ ___ Million 

Round to one decimal mplace as needed.

 Oct 21, 2018
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Not many people are "experts" in Statistics on this site. I have calculated the "Mean" and the "Standard Deviation" for you and entered them on this page. Visit it and see if it answers your question:

 

https://www.wolframalpha.com/input/?i=confidence+interval+of+population+mean&assumption=%7B%22F%22,+%22ZInterval%22,+%22c%22%7D+-%3E%2295+%25%22&assumption=%7B%22F%22,+%22ZInterval%22,+%22n%22%7D+-%3E%2210%22&assumption=%7B%22F%22,+%22ZInterval%22,+%22sigma%22%7D+-%3E%2233.748%22&assumption=%7B%22F%22,+%22ZInterval%22,+%22xbar%22%7D+-%3E%22172.7%22

 Oct 21, 2018
edited by Guest  Oct 21, 2018

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