The cost per gallon of gas was sampled at four locations:  $…

Questions

The cоst per gаllоn оf gаs wаs sampled at four locations:  $2.69, $2.79, $2.59, $2.99.  This question is part of a quiz or exam given at Arizona State University, copywritten by Dr. L. Chattin.  It may not be reproduced, posted or distributed without permission of Arizona State University and L. Chattin. The upper bound of a 2-sided 95% confidence interval on the population mean cost is $________per gallon.  Enter your answer to two decimal places.     You must use the online calculator for this problem.  Zero credit will be earned if you do not, even if you get the correct answer:  ti84calculator.io

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