Question
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 = 0.10.
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 = 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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Trigonometry
Authors: Mark Dugopolski
4th Edition
0321915496, 9780321915498
