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Medicine and Clinical Studies
A low hemoglobin level may be an indication of anemia, an iron deficiency, or even kidney disease. A high hemoglobin level could indicate lung disease or extreme physical exercise. In a study conducted by a new testing facility, a random sample of adults was obtained for each combination of sex and altitude. The hemoglobin level (in grams per liter) for each person was recorded.
a. Construct the summary ANOVA table. Is there any evidence of an effect due to interaction of gender and altitude? Use a = 0.05.
b. Is there any evidence of an effect due to gender or altitude? Use a = 0.05 for both hypothesis tests.
In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Are mean crash damages the sa..
tv advertising agencies face growing challenges in reaching audience members because viewing tv programs via digital
Random samples of populations (in thousands) of U.S. cities in three sections of the country are listed. Is there evidence to conclude a difference in means at the 0.001 level of significance?
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
In a standard normal dist. what is the prob. of getting a value less than 1.63? How about between 1.13 and 1.86? How about greater than .58?
Our bodies have a natural electrical field that is known to help wounds heal. Does changing the field strength slow healing? A series of experiments with newts investigated this question.
where would you see descriptive statistics used in your work place? how would you define dependent and independent
Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1% (indicate which test you are performing; show the hypotheses, the test statistic and the critical values and mention whether one-tailed or..
car insurance claims are normally distributed with a mean of 2100 and a standard deviation of 100. a new claim comes
Create a presentation describing 9 different research methodologies and designs that you find interesting. Also, include information describing the IRB and its purpose.
the indiana state police wish to estimate the average mph being traveled on the interstate highways which cross the
Determine expectation of number of vehicles passing through this specified point in ten minutes.
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