CSN - ECON 261 - POPULATION MEAN - KNOWN

CSN - ECON 261 - POPULATION MEAN - KNOWN - HYPOTHESIS TEST...

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HYPOTHESIS TEST FOR THE POPULATION MEAN a KNOWN According to the U.S. Federal Highway Administration, the population mean number of miles driven annually is 12,200 (national average). The population standard deviation (a} is 3,800. A researcher with the MOOT believes the residents of the State of Montana drive more than the national average. A random sample of thirty-six (n=36) registered drivers was taken and a sample mean (XBAR)
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