quiz image

Biostatistics: Data Analysis Methods

IlluminatingRomanesque avatar
IlluminatingRomanesque
·
·
Download

Start Quiz

Study Flashcards

39 Questions

What should the figures for the items be presented in?

Bold font

What should be used to indicate the non-availability of data in a table?

'n.a.' or a minus sign (-)

What should the headings in a table generally be written in?

Singular form

Where should the stubs be placed in a table with long rows?

At the right hand side of the table

What should be done if some approximate figures have been used in a table?

Mention the extent of approximation

What should be used to indicate the quantity of a variable in a table?

The number 0

Where should the sources of data for a table be noted?

In a footnote at the bottom of the table

What should be done to determine the ideal size of a table?

Draw a rough draft or sketch to determine the size

What is the main focus of Biostatistics?

Dealing with variation in numerical data

How are 'data' and 'statistics' distinguished in scholarly research?

Data are individual factual pieces, while statistics are the analysis results.

Which statement best describes the applications of Biostatistics in Dentistry?

Assessing oral health of populations

What does the term 'Scope' refer to in the context of Biostatistics?

Collection and analysis of numerical data

In what field is the term 'Statista-Statesman' related to?

Biostatistics

What is the primary purpose of collecting data according to the text?

For analysis and interpretation

Which term best describes 'data'?

'Data' is raw information used for analysis.

What is the key objective of using statistical tools in Biostatistics?

To deal with variation in numerical data for reliable results

Which type of data is characterized by more than two variables with a clearly implied direction but not measured on a scale?

Ordinal data

What kind of data is characterized by binary variables that can only have two values?

Dichotomous data

In the context of variable classification, which type of variable can be manipulated in a study?

Independent variable

Which of the following is an example of dichotomous data?

Gender of the respondents (M/F)

What is the primary reason for the extraction of teeth due to caries?

Periodontitis

Which type of data involves variables that are not rank-ordered but are mutually exclusive categories?

Nominal data

What should be avoided in the heading or sub-headings of a table?

Using abbreviations

Which of the following is NOT a requirement for the size of columns in a table?

Being colorful

What is a key characteristic that a table should have in terms of space usage?

Economy in space

What does a histogram do to organize data points?

Group into user-specified ranges

In which type of graph are data points organized into bars to show frequency or value?

Bar graph

What is the purpose of dividing columns into different sections based on similarities of the data?

To make data comparison easier

What is recommended regarding the use of color in tables?

Use a monochromatic color scheme

What type of graph is suitable for comparing data across different categories?

Bar graph

What type of chart or graph uses icons and images to represent data?

Pictogram or cartogram

Which of the following is NOT a characteristic of a good pie chart?

The slices should overlap to show relationships.

What type of diagram is used to represent geographic data or statistical data over a geographic area?

Map diagram

In the context of data visualization, what does the term 'degree of fluorosis' refer to?

A condition caused by excessive exposure to fluoride

Which of the following statements about pie charts is NOT true?

Pie charts are best used to represent continuous data.

What is the purpose of using a map diagram in data visualization?

To represent geographic data or statistical data over a geographic area

Which of the following is a common use of pictograms or cartograms?

Visualizing data using icons or symbols

In the context of data visualization, what does the term 'fluoride level in water' refer to?

A measure of the concentration of fluoride in water sources

What is the purpose of using a pie diagram in data visualization?

To show the composition of a whole into different parts

Explore the principles and methods for collecting, presenting, analyzing, and interpreting numerical data in the context of biostatistics. Learn about dealing with variations to obtain reliable results in scientific research and data analysis.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free
Use Quizgecko on...
Browser
Browser