HLTH 501 BIOSTATISTICS FINAL EXAM 2021
FINAL PAPER 2026 COMPLETE SOLUTIONS
AND CORRECT ANSWERS GRADED A+
⩥ Understanding biostatistical principles is critical to public health
education. Answer: true
⩥ The following data were collected as part of a study of tea
consumption among undergraduate students in England. The following
reflect cups per day consumed:
57694122
According to the data the median is: Answer: 4.5
⩥ The mean is the best measure of typical value (central tendency) when
they are outliers present in the data. Answer: false
⩥ The applicability of the research results to a specific population
obtained from a biostatistics study is best determined by which of the
following? Answer: The inclusion and exclusion criteria of the study.
⩥ Confounding is usually a major issue in cohort studies Answer: True
, ⩥ The most appropriate study design depends, among other things, on
the distribution of Answer: The risk factor in the population of interest &
The outcome in the population of interest
⩥ What is the incidence rate of coronary artery disease in patients
receiving placebo approximately:
Info given: placebo + coronary artery disease = 28. Total follow-up
(years) + placebo = 2750 Answer: 28/2750 = 0.01018 x 1000 => 10 per
1000 person-years.
⩥ A subset of the population of interest is often referred to by what
statistical term? Answer: A sample of individuals
⩥ An active-control trial is the best option for researchers hoping to test
a newly devised therapy for a life-threatening illness among individuals
with the illness, when a previously devised treatment is available for the
illness. Answer: true
⩥ The following data were collected as part of a study of tea
consumption among undergraduate students in England. The following
reflect cups per day consumed:
57694122
According to the data they are no outliers. Answer: True
⩥ A clinical trial is an observational study design. Answer: False
FINAL PAPER 2026 COMPLETE SOLUTIONS
AND CORRECT ANSWERS GRADED A+
⩥ Understanding biostatistical principles is critical to public health
education. Answer: true
⩥ The following data were collected as part of a study of tea
consumption among undergraduate students in England. The following
reflect cups per day consumed:
57694122
According to the data the median is: Answer: 4.5
⩥ The mean is the best measure of typical value (central tendency) when
they are outliers present in the data. Answer: false
⩥ The applicability of the research results to a specific population
obtained from a biostatistics study is best determined by which of the
following? Answer: The inclusion and exclusion criteria of the study.
⩥ Confounding is usually a major issue in cohort studies Answer: True
, ⩥ The most appropriate study design depends, among other things, on
the distribution of Answer: The risk factor in the population of interest &
The outcome in the population of interest
⩥ What is the incidence rate of coronary artery disease in patients
receiving placebo approximately:
Info given: placebo + coronary artery disease = 28. Total follow-up
(years) + placebo = 2750 Answer: 28/2750 = 0.01018 x 1000 => 10 per
1000 person-years.
⩥ A subset of the population of interest is often referred to by what
statistical term? Answer: A sample of individuals
⩥ An active-control trial is the best option for researchers hoping to test
a newly devised therapy for a life-threatening illness among individuals
with the illness, when a previously devised treatment is available for the
illness. Answer: true
⩥ The following data were collected as part of a study of tea
consumption among undergraduate students in England. The following
reflect cups per day consumed:
57694122
According to the data they are no outliers. Answer: True
⩥ A clinical trial is an observational study design. Answer: False
