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Intro to Biostatistics Concepts
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Intro to Biostatistics Concepts
Intro to Biostatistics Concepts
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1
Question
What are the two major branches of biostatistics?
Answer
Descriptive and inferential statistics.
2
Question
What is the primary focus of descriptive statistics?
Answer
Summarization and presentation of data.
3
Question
What is the primary focus of inferential statistics?
Answer
Hypothesis testing.
4
Question
Can you have inferential statistics without descriptive statistics?
Answer
No; descriptive statistics often precede inferential.
5
Question
What is data in biostatistics?
Answer
Any piece of information collected.
6
Question
What is a data set?
Answer
A collection of data.
7
Question
What are qualitative data?
Answer
Categorical data describing qualities.
8
Question
What are quantitative data?
Answer
Numerical data describing quantities.
9
Question
What is a qualitative (categorical) example from the table?
Answer
House numbers, Case ID numbers, Telephone numbers, Accession codes, Group names, Individual names.
10
Question
What is a quantitative example from the table?
Answer
Temperature, Glucose levels, CRP levels, Height, Weight, Age.
11
Question
What are independent data relationships?
Answer
Mass of fluids independent of inside mass.
12
Question
What is a dependent relationship in the data context?
Answer
Mass of fluids depends on inside mass.
13
Question
What are primary data sources mentioned?
Answer
Primary and Secondary.
14
Question
What is the scale of measurement that has no true zero but gives order?
Answer
Ordinal.
15
Question
What scale of measurement gives a true zero and allows ratio comparisons?
Answer
Ratio.
16
Question
What scale of measurement gives names or classifications without order?
Answer
Nominal.
17
Question
What scale of measurement gives order but no meaningful zero?
Answer
Ordinal.
18
Question
What scale of measurement has both order and a true zero?
Answer
Ratio.
19
Question
What scale of measurement has order and no true zero?
Answer
Interval.
20
Question
What are the steps in the overview of investigations?
Answer
Define, Organize, Analyze, Conclude.
21
Question
What should you do with all required information materials in an investigation?
Answer
Define the required materials and prepare.
22
Question
What is the role of the analysis step in investigations?
Answer
Analyze the data.
23
Question
What is the role of the conclusion step in investigations?
Answer
Communicate findings.
24
Question
What software is suggested for aiding investigations?
Answer
Microsoft Excel or Google Sheets.
25
Question
What is the primary use of Excel for biostatistics?
Answer
Summarize and organize data.
26
Question
What is the meaning of data organization in this context?
Answer
Structuring data for analysis.
27
Question
Is data organization part of descriptive or inferential statistics?
Answer
Descriptive (summarization and presentation).
28
Question
Which term describes a set of data collected for analysis?
Answer
Data set.
29
Question
What term describes a single piece or observation?
Answer
Data item.
30
Question
What is a qualitative example from the list that is not purely numerical?
Answer
Group names.