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Mathematics, 16.12.2019 18:31 gameranonymous266
You want to build a 95% confidence interval for the average iq of all statistics instructors.
you randomly select 20 statistics instructors and measure their iq's. you get a sample average of 143. it is known that the population of iq's is normally distributed with a population standard deviation of 16.
what is the upper confidence limit (ucl) of you confidence interval?
round your answer to the nearest integer.
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