What is the most likely food that causes this gastroenteritis outbreak? Why? Explain

What is the most likely food that causes this gastroenteritis outbreak? Why? Explain

Fundamentals of Epidemiology and Biostatistics for Nursing This test consists of TWO sections. == The FIRST SECTION includes 16 QUESTIONS [41 POINTS] == The SECOND SECTION includes questions related to analyzing, and interpreting data, and summarizing the findings and its impact on nursing practice (FIVE QUESTIONS=19 POINTS). Download and use the file “sample_data_FINAL_EXAM_SUMMER_2014.sav” The total score is 60 points (30% of the grade). SECTION 1: Below is the list of QUESTIONS. Use the space assigned after each question for your answer. All the questions must be answered and show your calculations and write your justifications for full credit. Q1. Which of the following best describes the design where subjects are sampled by disease status and is often used when the investigator is interested in rare diseases? (Choose one best answer and provide rationale). (TWO POINTS) A. intervention trial B. case control study C. retrospective cohort D. ecologic study E. none of the above Q2. What statistical method(s) a researcher can use to determine if the mean body mass index of the population is the same for three groups of subjects (group1=diet restriction; group2=exercise; group3=none). (EACH IS TWO POINTS =TOTAL=SIX POINTS) A. Statistical test is ________________ B. Null Hypothesis is _____________________ C. Alternative hypothesis is ______

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