Why do you need to consider the studentized version of x to develop a confidence-interval procedure for a population mean when the population standard deviation is unknown?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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Why do you need to consider the studentized version of x to develop a confidence-interval procedure for a population mean when the population standard deviation is unknown?

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