C784 / C 784 Final Exam (Latest
Update ) Applied
Healthcare Statistics | Questions
and Answers | Grade A | 100%
Correct - WGU
Question:
When working with two-variable data, if the explanatory variable is
categorical and the response variable is quantitative, what is the most
appropriate choice to display the data?
Answer:
Side-by-side boxplots
Question:
When working with two-variable data, if both variables are quantitative, what
is the most appropriate choice to display the data?
Answer:
A Scatterplot
,Question:
A hospital is studying the effectiveness of two different heartburn treatments
(Treatment A and Treatment B) administered daily for a week. The results are
measured after one week of treatment, by placing a patient into one of two
groups: heartburn subsided OR heartburn remained. Which of the following
graphical displays should be used?
Answer:
Two-way table
Question:
In a two-way table, which best describes the sum of all of the joint
frequencies?
Answer:
The total number of individuals in the study.
Question:
When both variables are quantitative, how is a scatterplot created?
Answer:
The points are plotted on a coordinate place based on their ordered pairs
,Question:
What does C- Q refer to?
Answer:
The explanatory variable is categorical and the response variable is
quantitative.
Question:
Which graphical display is most appropriate when both variables are
quantitative?
Answer:
Scatterplot
Question:
A public health study is measuring how height is passed down genetically
from parents to offspring. In particular, the study has selected a sample of 25-
year-olds, and their biological parents. The study is examining the
relationship between the average height of the biological parents (measured
in inches) and the height of the offspring (measured in inches).
Which of the following labels best fits the explanatory and response
variables?
Answer:
The explanatory variable is "Average height of parents" and the response
variable is "Height of offspring".
, Question:
A public health study is measuring how height is passed down genetically
from parents to offspring. In particular, the study has selected a sample of 25-
year-olds, and their biological parents. The study is examining the
relationship between the average height of the biological parents (measured
in inches) and the height of the offspring (measured in inches).
Which of the following graphical displays should be used?
Answer:
Scatterplot
Question:
In a two-way table, what does the sum of the joint frequencies in one row
equal?
Answer:
marginal frequency
Question:
Complete the following sentence. Regression analysis is used
to___________________
Answer:
predict future values based on known values.
Update ) Applied
Healthcare Statistics | Questions
and Answers | Grade A | 100%
Correct - WGU
Question:
When working with two-variable data, if the explanatory variable is
categorical and the response variable is quantitative, what is the most
appropriate choice to display the data?
Answer:
Side-by-side boxplots
Question:
When working with two-variable data, if both variables are quantitative, what
is the most appropriate choice to display the data?
Answer:
A Scatterplot
,Question:
A hospital is studying the effectiveness of two different heartburn treatments
(Treatment A and Treatment B) administered daily for a week. The results are
measured after one week of treatment, by placing a patient into one of two
groups: heartburn subsided OR heartburn remained. Which of the following
graphical displays should be used?
Answer:
Two-way table
Question:
In a two-way table, which best describes the sum of all of the joint
frequencies?
Answer:
The total number of individuals in the study.
Question:
When both variables are quantitative, how is a scatterplot created?
Answer:
The points are plotted on a coordinate place based on their ordered pairs
,Question:
What does C- Q refer to?
Answer:
The explanatory variable is categorical and the response variable is
quantitative.
Question:
Which graphical display is most appropriate when both variables are
quantitative?
Answer:
Scatterplot
Question:
A public health study is measuring how height is passed down genetically
from parents to offspring. In particular, the study has selected a sample of 25-
year-olds, and their biological parents. The study is examining the
relationship between the average height of the biological parents (measured
in inches) and the height of the offspring (measured in inches).
Which of the following labels best fits the explanatory and response
variables?
Answer:
The explanatory variable is "Average height of parents" and the response
variable is "Height of offspring".
, Question:
A public health study is measuring how height is passed down genetically
from parents to offspring. In particular, the study has selected a sample of 25-
year-olds, and their biological parents. The study is examining the
relationship between the average height of the biological parents (measured
in inches) and the height of the offspring (measured in inches).
Which of the following graphical displays should be used?
Answer:
Scatterplot
Question:
In a two-way table, what does the sum of the joint frequencies in one row
equal?
Answer:
marginal frequency
Question:
Complete the following sentence. Regression analysis is used
to___________________
Answer:
predict future values based on known values.
