Homework Help: Statistics

Posted by Arona Basuti on Wednesday, March 14, 2012 at 3:18am.

suppose a random sample of 360 students is drawn form a population of students. Among sampled, the average IQ score is 12 with standard deviation of 3. What is the upper confidence limit of the 95% confidence interval of the population

Statistics - Rodney, Thursday, April 19, 2012 at 12:24pm
ZInterval
(11.69,12.31)
average = 12
n = 360
upper limit is 12.31 according to my TI-83 Plus calculator

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