Question

The National Health and Nutrition Examination Survey (NHANES) indicates that more U.S. adults are becoming either overweight or obese, which is defined as having a body mass index (BMI) of 25 or more. Data from the Centers for Disease Control and Prevention (CDC) indicate that for females aged 35 to 55,the mean BMI is 25.12 with a standard deviation of 5.3. In a similar study that examined female cardiovascular technologists who were registered in the United States and who were within the same age range, the following BMI scores resulted:
Test the claim that the cardiovascular technologists have a lower average BMI than the general population. Use .
a. Describe the parameter of interest.
b. State the null and alternative hypotheses.
c. Calculate the value for z and find the p-value.
d. State your decision and conclusion using a _ 0.05.


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  • CreatedAugust 28, 2015
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