Question: Refer to the Environmental Science Technology September 1 2000

Refer to the Environmental Science & Technology (September 1, 2000) study on the ammonia levels near the exit ramp of a San Francisco highway tunnel, presented in Exercise 2.184 (p. 100). The ammonia concentration (parts per million) data for eight randomly selected days during the afternoon drive time are reproduced in the accompanying table and saved in the AMMONIA file. Find a 99% confidence interval for the population mean daily ammonia level in air in the tunnel. Interpret your result.

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  • CreatedMay 20, 2015
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