This week we are learning about ordinal/categorical, continuous, and dichotomous variables. Using the Gestation Demographics SEU dataset that is located in the tabs at the bottom of the Framingham dataset provided, perform the following problems using R Studio or Excel. Create a simple distribution graph (histogram) where we will explore the age of women after giving birth to their first child. Remember that a histogram consists of parallel vertical bars that show the frequency distribution of a quantitative variable in …

With this database, you will: Identify and list categorical and continuous variables. Calculate frequencies and percentages for all of the categorical variables, and means, and standard deviations for the continuous variables. Run a one-sample z test of proportions for one categorical variable. Here is an example in terms of wording: \”Is the proportion of English speaking patients greater than 50%?\” Using .05 level of significant test the appropriate hypotheses. Write the null and alternate hypotheses What is the proportion of …

Now, it’s time to complete an important part of your project – decide which descriiptive statistics to use to describe how your participants answered each question on your survey. For this discussion, provide the following: What are your research questions? (Main hypotheses and goal of your study) Describe your dependent variable. What type of measures: Categorical or Continuous, what type of descriiptive analysis? Describe your main independent variable as well as other variables (such as demographics): What type of measures: …

This week, you will determine the sampling methods for your theoretical research study and create a formal questionnaire. Restate the research question you have chosen. Identify your sample population and brainstorm questions that will illicit clear responses from your population based on your study question. Write 3–4 paragraphs about your sampling methods. Create a formal questionnaire with 15–20 questions. The questionnaire should contain a proper survey introduction. The introductory paragraph should provide information on the topic of the study, its …

The process of reviewing new medications to ensure they are safe and effective makes use of many epidemiological methods. The Food and Drug Administration is involved heavily in this regulation and is required to ensure rigorous testing is done before medications are released to the general public. For the first part of this assignment, review the following website, which details the FDA process: http://www.fda.gov/Drugs/DevelopmentApprovalProcess/HowDrugsareDevelopedandApproved/default.htmLinks to an external site. Next, watch television or listen to the radio and write down the …