Posted by Nesa on .
In 2002, the average price of new homes in a certain suburb was $145,000. Assume that this mean is based on a random sample of 1000 new home sales and that the sample standard deviation is $24,000. Construct a 95% confidence interval for the 2002 mean price of all such homes

Statistics 
PsyDAG,
95% = mean ± 1.96 SEm
SEm = SD/√n