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antoniya [11.8K]
3 years ago
3

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?
Mathematics
2 answers:
lana [24]3 years ago
5 0

Answer:

-5.30

Step-by-step explanation:

anzhelika [568]3 years ago
3 0

the answer  is -5.30

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