SECTION 1: To complete the questions in this section, download the Death in the United States, 2010 document in the Week 4 resources.
Using basic statistical terms and definitions, explain why a comparison of variance over a 10-year period has more validity than a comparison of a year-to-year basis.
Read the “Data source and methods” section on page 6 of the Death in the United States, 2010 document. Explain how collecting data in the method described may skew the data one way or another—that is, make it less accurate than the real life it purports to reflect.
From the percentage of deaths within an age group indicated in the pie charts on page 4 in the Death in the United States, 2010 document, are you more likely to die from cancer or heart disease if you are in the 45–64 age group or in the 65 or older age group? Explain your answer. Interpret why this is so.
Is there evidence to support the claim that while the infant mortality rate [IMR] had its single largest drop between 2009 and 2010, the rate of decrease in the IMR is slowing down in the two decades indicated in Figure 5? (See page 5 the Death in the United States, 2010 document.) Explain your answer.
Can you support the statement that the older you get the less likely you are to die suddenly or cause your own death? What data would you use to support this?
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