# Listed below are measured amounts of lead​ (in micrograms per cubic​ meter, or μg/m3​) in the air. The EPA has established an air quality standard for lead of 1.5μg/m3. The measurements shown below were recorded at a building on different days. Use the given values to construct a 95​% confidence interval estimate of the mean amount of lead in the air. Is there anything about this data set suggesting that the confidence interval might not be very​ good? 5.40, 0.90, 0.47, 0.75, 0.72, 0.90   1. What is the confidence interval for the population mean μ​?

Question
Listed below are measured amounts of lead​ (in micrograms per cubic​ meter, or μg/m3​) in the air. The EPA has established an air quality standard for lead of 1.5μg/m3. The measurements shown below were recorded at a building on different days. Use the given values to construct a 95​% confidence interval estimate of the mean amount of lead in the air. Is there anything about this data set suggesting that the confidence interval might not be very​ good?
5.40, 0.90, 0.47, 0.75, 0.72, 0.90

1. What is the confidence interval for the population mean
μ​?