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First, state whether blood pressure in Table 2A would be a continuous variable or a discrete variable. Explain.

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  • Post Date 2018-11-07T11:04:08+00:00
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First, state whether blood pressure in Table 2A would be a continuous variable or a discrete variable. Explain.

BHS220-Module 2 - Case Study

INSTRUCTIONS:

BHS220-Module 2 - Case Study



DESCRIPTIVE STATISTICS PART I: NORMAL CURVES, VARIABILITY, AND PLOTTING

Case Assignment

This is a three-part assignment related to a study of contraceptive drug use among women. Following is a distribution of systolic blood pressures cross tabulated by age and pill use for women.



Table 2A. Distribution of systolic blood pressure, cross-tabulated by age and pill use.



First, state whether blood pressure in Table 2A would be a continuous variable or a discrete variable. Explain. Then supposing that the number of women in each of groups (non-users and users) were identified, would the number of women in each category be a continuous variable or a discrete variable? Explain.



Part 2: Use any free online histogram maker* to draw Histograms for the blood pressures of the users and nonusers ages 35 - 44. Discuss one conclusion that can be made about blood pressure and pill use. *Here are some free resources : http://people.hofstra.edu/Stefan_waner/RealWorld/stats/histogram.html



Part 3: Based on what you’ve learned in this module about normal distributions, explain why a normal approximation of data would be helpful to view the data. For example, you could describe the steps that one would take to estimate the percentage of women with blood pressures in an age group.

CONTENT:
BHS220-Module 2 – Case StudyNameCourseInstructorDate First, state whether blood pressure in Table 2A would be a continuous variable or a discrete variable. Explain. Then supposing that the number of women in each of groups (non-users and users) were identified, would the number of women in each category be a continuous variable or a discrete variable? ExplainIn the first instance the values of blood pressure are continuous variables, given that they are not fixed like in discrete variables. The blood pressure is a variable that is measure rather than counted, and hence the values in the interval are continuous variables. Continuous variables fall along the continuum of whole-number units and can include fractional amounts (Jackson, 2013). Similarly, the value of the blood pressure can fall anywhere within the specified range. On the other hand, if the variable would have been easily counted then the value would have been discrete. Blood pressure can only be represented in an interval density curve and not the probability distribution just like in random discrete variable. In a sample space of continuous variable, it is impossible to list all possible values, as theoretically the number of possibilities is infinite (Jackson, 2013). Accordi...

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