WGU C784 - APPLIED HEALTHCARE
STATISTICS PRE-ASSESSMENT EXAM
QUESTIONS WITH CORRECT
ANSWERS
Given the following dataset representing hours of overtime worked by nurses in one
week:
[Nurse A] 3
[Nurse B] 7
[Nurse C] 2
[Nurse D] 4
What should be used to display the data?
A. Box plot
B. Stem plot
C. Bar chart
D. Histogram - ANSWER-C. Bar chart
Question # 35: A study was conducted on the possible relationship between gender
and whether or not they exercise. Which type of classification is this?
A. Categorical to categorical
B. Categorical to quantitative
C. Quantitative to quantitative
D. Quantitative to categorical - ANSWER-A. Categorical to categorical
Question #36: A study was conducted on the possible relationship between age and
diastolic blood pressure. Which type of classification is this?
A. Categorical to categorical
B. Quantitative to categorical
C. Categorical to quantitative
D. Quantitative to quantitative - ANSWER-D. Quantitative to quantitative
Question #37: A study was conducted on the possible relationship between a
categorical variable and a quantitative variable. Which type of graphical display is
appropriate for displaying this relationship?
A. Scatterplot
B. Two-way table
C. Decision table
D. Side-by-side box plot - ANSWER-D. Side-by-side box plot
Question #38: A study is conducted to determine the most common blood pressure
readings among sleep apnea patients who use a continuous positive airway
pressure machine and those who do not. Which numerical measure is appropriate?
A. Regression analysis
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ANSWER-B. Five-number summary
, Question # 39: A study is conducted on the possible relationship between gender
and patients with or without hypertension. Which numerical measure is appropriate?
A. Regression analysis
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ANSWER-D. Conditional percentages
A patient's protein intake for today has been 15.76g, 8.49g, and 22.58g. What is the
total protein intake rounded to the nearest tenth of a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g - ANSWER-B. 46.8g
Given the equation: (.5475 - .3025) x .15. What is the solution rounded to the nearest
thousandth?
A. .03675
B. .0368
C. .368
D. .037 - ANSWER-D. .037
An intravenous drip is infused at a rate of 4.5 milliliters per minute. How many
milliliters are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - ANSWER-D. 270mL
A patient's medication was increased by 40 milligrams. What is the percent increase
in the medication if the original medication was 180 milligrams?
A. 2.2%
B. 4.5%
C. 22.2%
D. 45% - ANSWER-C. 22.2%
What is the Fahrenheit equivalent for a patient's room that needs to be kept at 25
degrees Celsius?
A. 70°
B. 75°
C. 77°
D. 80° - ANSWER-C. 77°
What is the Celsius equivalent for a patient who is running a fever of 102 degrees
Fahrenheit?
A. 37.9°C
B. 38.9°C
C. 39.9°C
D. 40.9°C - ANSWER-38.9°C
STATISTICS PRE-ASSESSMENT EXAM
QUESTIONS WITH CORRECT
ANSWERS
Given the following dataset representing hours of overtime worked by nurses in one
week:
[Nurse A] 3
[Nurse B] 7
[Nurse C] 2
[Nurse D] 4
What should be used to display the data?
A. Box plot
B. Stem plot
C. Bar chart
D. Histogram - ANSWER-C. Bar chart
Question # 35: A study was conducted on the possible relationship between gender
and whether or not they exercise. Which type of classification is this?
A. Categorical to categorical
B. Categorical to quantitative
C. Quantitative to quantitative
D. Quantitative to categorical - ANSWER-A. Categorical to categorical
Question #36: A study was conducted on the possible relationship between age and
diastolic blood pressure. Which type of classification is this?
A. Categorical to categorical
B. Quantitative to categorical
C. Categorical to quantitative
D. Quantitative to quantitative - ANSWER-D. Quantitative to quantitative
Question #37: A study was conducted on the possible relationship between a
categorical variable and a quantitative variable. Which type of graphical display is
appropriate for displaying this relationship?
A. Scatterplot
B. Two-way table
C. Decision table
D. Side-by-side box plot - ANSWER-D. Side-by-side box plot
Question #38: A study is conducted to determine the most common blood pressure
readings among sleep apnea patients who use a continuous positive airway
pressure machine and those who do not. Which numerical measure is appropriate?
A. Regression analysis
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ANSWER-B. Five-number summary
, Question # 39: A study is conducted on the possible relationship between gender
and patients with or without hypertension. Which numerical measure is appropriate?
A. Regression analysis
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ANSWER-D. Conditional percentages
A patient's protein intake for today has been 15.76g, 8.49g, and 22.58g. What is the
total protein intake rounded to the nearest tenth of a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g - ANSWER-B. 46.8g
Given the equation: (.5475 - .3025) x .15. What is the solution rounded to the nearest
thousandth?
A. .03675
B. .0368
C. .368
D. .037 - ANSWER-D. .037
An intravenous drip is infused at a rate of 4.5 milliliters per minute. How many
milliliters are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - ANSWER-D. 270mL
A patient's medication was increased by 40 milligrams. What is the percent increase
in the medication if the original medication was 180 milligrams?
A. 2.2%
B. 4.5%
C. 22.2%
D. 45% - ANSWER-C. 22.2%
What is the Fahrenheit equivalent for a patient's room that needs to be kept at 25
degrees Celsius?
A. 70°
B. 75°
C. 77°
D. 80° - ANSWER-C. 77°
What is the Celsius equivalent for a patient who is running a fever of 102 degrees
Fahrenheit?
A. 37.9°C
B. 38.9°C
C. 39.9°C
D. 40.9°C - ANSWER-38.9°C
