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Math · Statistics And Probability
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Use the given confidence level and sample data to find a confidence interval for the population standard deviation

sigmaσ.

Assume that a simple random sample has been selected from a population that has a normal distribution.Salaries of college

professorsprofessors

who took a

statisticsstatistics

course in college

9898​%

​confidence;

nequals=8181​,

x overbarxequals=​$55 comma 70055,700​,

sequals=​$16 comma 752

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