The population standard deviation is 6

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Reference no: EM13763322

Consider the following hypothesis test:
H0: 50

Ha: > 50
A sample of 55 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use = .05.
a. With

= 52.5, what is the value of the test statistic (to 2 decimals)?

Can it be concluded that the population mean is greater than 50?
b. With

= 51, what is the value of the test statistic (to 2 decimals)?
Can it be concluded that the population mean is greater than 50?
c. With

= 51.8, what is the value of the test statistic (to 2 decimals)?
Can it be concluded that the population mean is greater than 50?

Reference no: EM13763322

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