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?

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?

Project description
please answer all questions thoroughly. Please give a detailed, descriptive rational answer for ALL questions. Please give a detailed rational for the multiple choice questions. Pleasee show all math work for any math questions with rational. The assignment is originally in SPSS but this site does not allow for me to upload it so it is saved in xlsx. a picture of the vaiable view is attached. the assignment also requires an abstract and a sample abstract of how it should be is also attached

please answers ALL questions and give a detailed rational to ALL answers given even math, multiple choice and so forth

NUR 527: Fundamentals of Epidemiology
and Biostatistics for Nursing

Final Examination: Due AUGUST 15, 2014

This test consists of TWO sections.

== The FIRST SECTION includes 16QUESTIONS [41 POINTS]

== The SECOND SECTION includes questions related to analyzing, and interpreting data, and summarizing the findings and its impact on nursing practice (FIVEQUESTIONS=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 ___________________

Q3.Y represents the predicted value of y calculated using the equation Y = a + bx. In theformula, SBP = 34 + 0.2 x; where x =value of postnatal age (hours) for the neonates = 1,000 grams? What is the value of the intercept (a)? What is the value of the slope (b)? (TWO POINTS)

Q4.Incidence rates from cervical cancer in people aged 50 years or older are as follows:
Non-smoker 50per 100,000 per year
Smoker 140 per 100,000 per year

Calculate and interpret the following:

Explanation & Answer

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