Mathematics, 06.03.2020 18:58 reneewilliams20
A simple random sample of 28 wait times while pumping gas at a gas station has a standard deviation of 20 seconds. The test statistic for the random sample is 22.314 when found to test a claim that the standard deviation for all wait times while pumping gas at a gas station is less than 22 seconds. Using a 0.05 significance level, find the critical value and state the initial conclusion.
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A simple random sample of 28 wait times while pumping gas at a gas station has a standard deviation...
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