# Valid Confidence Interval? A pollster for the Gallup Organization randomly generates the last two…

Valid Confidence Interval? A pollster for the Gallup Organization randomly generates the last two digits of telephone numbers to be called, so the numbers from 00 to 99 are all equally likely. Can the methods of this section be used to construct a confidence interval estimate of the standard deviation of the population of all outcomes? Why or why not?

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