This is a one-tailed test with lower reject region bounded


A sample size of 40 yields a sample mean of 24 and a sample standard deviation of 4.0

Test HO: mean > 25 at a = 0.10. HA: mean < 25

This is a one-tailed test with lower reject region bounded by a negative critical value

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Basic Statistics: This is a one-tailed test with lower reject region bounded
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