D514 / D 514 Objective Assessment
(Latest Update )
Analytical Methods of Healthcare
Leaders | Questions with Verified
Answers | Grade A | 100% Correct -
WGU
Question:
The chief medical officer of emergency services is investigating the number of
gunshot victims seen in their emergency department in the past two years, for
their hospital. What type of database should be used to locate this data?
Answer:
Trauma registry
Question:
The actual probability that an event will occur.
Answer:
Absolute risk
,Question:
A group of speech pathologists from several facilities within the same large
healthcare system are doing a research study on children who stutter. They
want to share their audio files across their interoperable databases as they
work on this study together.
Answer:
Object-Oriented Database
Question:
A clinical research associate is comparing data on her study patients and their
response to a clinical trials drug for patients with fibromyalgia. They were
enrolled six months ago. She is comparing data from when they were first
enrolled in the study, to today.
What type of database is she using?
Answer:
Research Identified
Question:
The difference in the chance of an event between the treatment and control
groups.
Answer:
Absolute risk reduction
,Question:
A probability distribution based on the occurrence of a particular outcome
based on n independent yes/no events.
Answer:
Binomial distribution
Question:
The theory which predicts that the frequency distribution of the means of
samples drawn from any population will approach the normal distribution.
Answer:
Central limit theorem
Question:
An expression of the range of values between which the population mean is
believed to be found.
Answer:
Confidence limits
, Question:
Tables that display frequency data for nominal scale data.
Answer:
Contingency tables
Question:
A technique for establishing differences between means of two related
samples.
Answer:
Paired t test
Question:
Rejecting the null hypothesis when it is true.
Answer:
Type I error
Question:
Not rejecting the null hypothesis when it should be rejected.
Answer:
Type II error
(Latest Update )
Analytical Methods of Healthcare
Leaders | Questions with Verified
Answers | Grade A | 100% Correct -
WGU
Question:
The chief medical officer of emergency services is investigating the number of
gunshot victims seen in their emergency department in the past two years, for
their hospital. What type of database should be used to locate this data?
Answer:
Trauma registry
Question:
The actual probability that an event will occur.
Answer:
Absolute risk
,Question:
A group of speech pathologists from several facilities within the same large
healthcare system are doing a research study on children who stutter. They
want to share their audio files across their interoperable databases as they
work on this study together.
Answer:
Object-Oriented Database
Question:
A clinical research associate is comparing data on her study patients and their
response to a clinical trials drug for patients with fibromyalgia. They were
enrolled six months ago. She is comparing data from when they were first
enrolled in the study, to today.
What type of database is she using?
Answer:
Research Identified
Question:
The difference in the chance of an event between the treatment and control
groups.
Answer:
Absolute risk reduction
,Question:
A probability distribution based on the occurrence of a particular outcome
based on n independent yes/no events.
Answer:
Binomial distribution
Question:
The theory which predicts that the frequency distribution of the means of
samples drawn from any population will approach the normal distribution.
Answer:
Central limit theorem
Question:
An expression of the range of values between which the population mean is
believed to be found.
Answer:
Confidence limits
, Question:
Tables that display frequency data for nominal scale data.
Answer:
Contingency tables
Question:
A technique for establishing differences between means of two related
samples.
Answer:
Paired t test
Question:
Rejecting the null hypothesis when it is true.
Answer:
Type I error
Question:
Not rejecting the null hypothesis when it should be rejected.
Answer:
Type II error
