D514 / D 514 Objective Assessment (Latest Update 2025 / 2026) 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
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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 2 / 4
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
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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
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