WGU C784 APPLIED HEALTHCARE
STATISTICS PRE-ASSESSMENT EXAM 2024
LATEST UPDATE COMPLETE EXAM
QUESTIONS WITH DETAILED VERIFIED
AND 100% CORRECT ANSWERS)
BRAND NEW ALREADY
GRADED A+
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
1
,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
2
,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
Question #40: A study is conducted on the possible
relationship between blood pressure and hemoglobin A1c.
Which numerical measure is appropriate?
A. Standard deviation
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ....ANSWER...C. Correlation
coefficient
3
, 2|Page
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
2
STATISTICS PRE-ASSESSMENT EXAM 2024
LATEST UPDATE COMPLETE EXAM
QUESTIONS WITH DETAILED VERIFIED
AND 100% CORRECT ANSWERS)
BRAND NEW ALREADY
GRADED A+
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
1
,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
2
,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
Question #40: A study is conducted on the possible
relationship between blood pressure and hemoglobin A1c.
Which numerical measure is appropriate?
A. Standard deviation
B. Five-number summary
C. Correlation coefficient
D. Conditional percentages - ....ANSWER...C. Correlation
coefficient
3
, 2|Page
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
2
