Government regulations restrict the amount of pollutants that can be released to the atmosphere through industrial smokestacks. To demonstrate that their smokestacks are releasing pollutants below the mandated limit of 8 parts per billion pollutants, REM Industries collects a random sample of 29 readings. The mean pollutant level for the sample is 7.65 parts per billion with a population standard deviation of 0.8 parts per billion. Do the data support the claim that the average pollutants produced by REM Industries are below the mandated level at a 0.10 significance level? Assume the population of readings is approximately normally distributed. Step 2 of 3: Compute the value of the test statistic. Round your answer to two decimal places.
Government regulations restrict the amount of pollutants that can be released to the atmosphere through industrial smokestacks. To demonstrate that their smokestacks are releasing pollutants below the mandated limit of 8 parts per billion pollutants, REM Industries collects a random sample of 29 readings. The mean pollutant level for the sample is 7.65 parts per billion with a population standard deviation of 0.8 parts per billion. Do the data support the claim that the average pollutants produced by REM Industries are below the mandated level at a 0.10 significance level? Assume the population of readings is approximately normally distributed. Step 2 of 3: Compute the value of the test statistic. Round your answer to two decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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