EPIB301 Exam Review Questions with Correct
Answers
What are the variables?
1) Blood pressure: <140, >140
2) Blood pressure: low, moderate, or high
3) Exercise frequency: never, sometimes, or often
1) binary, nominal
2) ordinal
3) ordinal
What is the data type variable?
A) Kidney failure (Positive, Negative)
B) Creatinine urine levels (in mg)
C) Renal cancer stages (Early, Moderate, Late)
D) Cancer type (Renal cell, Transitional cell, Other)
A) Nominal
B) Quantitative - continuous
C) Ordinal
D) Nominal
What is the correct variable to value description?
Flu test (Negative, Positive for Influenza A, Positive Influenza B)
Nominal
,What is the correct variable to value description?
Frequency of seizures in a month (None, once, more than once)
ordinal
What is the correct variable to value description?
The number of live-births an expectant mother has had
Quantitative - Discrete
What is the correct variable to value description?
Type of cancer (lung, bone, breast, etc.) is an example of a(n):
nominal
What is the correct variable to value description?
Length of wait to be seen in an ER (in hours)
Quantitative - Continuous
What is the correct variable to value description?
How much do you agree or disagree with this statement, "The United States needs stiffer
laws controlling the purchase and ownership of guns." The respondents are then asked to
rank their feelings on the following scale (strongly agree, somewhat agree, neither agree or
disagree, somewhat disagree, or strongly disagree)
ordinal
What is the correct variable to value description?
University ID numbers (arbitrary assignment)
, nominal
What is the correct variable to value description?
Number of cases of HIV diagnosed in a clinic in one year
Quantative - discrete
What is the correct variable to value description?
White blood cell count (<4.8, >=4.8)
nominal
What is the correct variable to value description?
Quality of hospital care rating (Very bad, Bad, Good, Excellent)
ordinal
A researcher examines the relationship between political party affiliation and how this
impacts views on Covid-19 vaccination.
Choose the best (most likely) answer
a) Political party affiliation is the independent variable, views on Covid-19 vaccination is
the dependent variable
b) Political party affiliation is the dependent variable, views on Covid-19 vaccination is the
independent variable
a) Political party affiliation is the independent variable, views on Covid-19 vaccination is the
dependent variable
Answers
What are the variables?
1) Blood pressure: <140, >140
2) Blood pressure: low, moderate, or high
3) Exercise frequency: never, sometimes, or often
1) binary, nominal
2) ordinal
3) ordinal
What is the data type variable?
A) Kidney failure (Positive, Negative)
B) Creatinine urine levels (in mg)
C) Renal cancer stages (Early, Moderate, Late)
D) Cancer type (Renal cell, Transitional cell, Other)
A) Nominal
B) Quantitative - continuous
C) Ordinal
D) Nominal
What is the correct variable to value description?
Flu test (Negative, Positive for Influenza A, Positive Influenza B)
Nominal
,What is the correct variable to value description?
Frequency of seizures in a month (None, once, more than once)
ordinal
What is the correct variable to value description?
The number of live-births an expectant mother has had
Quantitative - Discrete
What is the correct variable to value description?
Type of cancer (lung, bone, breast, etc.) is an example of a(n):
nominal
What is the correct variable to value description?
Length of wait to be seen in an ER (in hours)
Quantitative - Continuous
What is the correct variable to value description?
How much do you agree or disagree with this statement, "The United States needs stiffer
laws controlling the purchase and ownership of guns." The respondents are then asked to
rank their feelings on the following scale (strongly agree, somewhat agree, neither agree or
disagree, somewhat disagree, or strongly disagree)
ordinal
What is the correct variable to value description?
University ID numbers (arbitrary assignment)
, nominal
What is the correct variable to value description?
Number of cases of HIV diagnosed in a clinic in one year
Quantative - discrete
What is the correct variable to value description?
White blood cell count (<4.8, >=4.8)
nominal
What is the correct variable to value description?
Quality of hospital care rating (Very bad, Bad, Good, Excellent)
ordinal
A researcher examines the relationship between political party affiliation and how this
impacts views on Covid-19 vaccination.
Choose the best (most likely) answer
a) Political party affiliation is the independent variable, views on Covid-19 vaccination is
the dependent variable
b) Political party affiliation is the dependent variable, views on Covid-19 vaccination is the
independent variable
a) Political party affiliation is the independent variable, views on Covid-19 vaccination is the
dependent variable
