Statistics Homework Solutions
#4299
Testing a hypothesis.
The normal serum hemocrit level is 0.41 milligrams to 100 milligrams of blood. The level in elderly patients is significantly low at 0.31.
25 patients out of 100 are normal levels. The standard deviation is 0.6. A medication that is designed to increase the hemocrit
is taken in 100 patients for one month. A testing is found that 45 patients have a mean average of 0.38 milligrams. As 0.1% does the medication increase the hemocrit levels?
A. States the null and alternative hypothesis
B. Define the statistic test
C. Develop the decision rul.
D. Compute the test statistic.
E. State the conclusion.
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