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Mathematics, 30.12.2021 14:00 thaliavernazaa

Brett is performing a hypothesis test in which the population mean is 310 and the standard deviation is 20. His sample data has a mean of 295 and a sample size of 50. Which of the following correctly depicts the z-statistic for Brett’s data? â€""5. 30 â€""0. 11 4. 28 6. 27.

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Brett is performing a hypothesis test in which the population mean is 310 and the standard deviation...
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