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Region bounded by a negative critical value

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Reference no: EM133265990

A sample of size 20 yields a sample mean of 23.5 and a sample standard deviation of 4.3.

Test H0: Mean ≥ 25 at α = 0.10. HA: Mean < 25. This is a one-tailed test with lower reject region bounded by a negative critical value.

Reference no: EM133265990

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