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# Normal Serum Hemocrit

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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.

##### Solution Summary

The solution addresses 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.

##### Solution Preview

We should first calculate the average NORMAL SERUM HEMOCRIT LEVEL of people before medication and after medication.
<br>The weighted mean of population before medication is M1= 0.41*25/100+0.31*(1-25/100)=0.335
<br>Our after medication sample mean is M2 = ...

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.