Biostatistics: Data Analysis Methods

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What should the figures for the items be presented in?

Bold font (correct)

Regular font

Italic font

Underlined font

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

The word 'none'

The number 0

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

The phrase 'data not available'

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

Singular form (correct)

Abbreviated form

Capitalized form

Plural form

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

At the right hand side of the table Signup and view all the answers

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

Mention the extent of approximation Signup and view all the answers

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

The number 0 Signup and view all the answers

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

In a footnote at the bottom of the table Signup and view all the answers

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

Draw a rough draft or sketch to determine the size Signup and view all the answers

What is the main focus of Biostatistics?

Dealing with variation in numerical data Signup and view all the answers

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

Data are individual factual pieces, while statistics are the analysis results. Signup and view all the answers

Which statement best describes the applications of Biostatistics in Dentistry?

Assessing oral health of populations Signup and view all the answers

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

Collection and analysis of numerical data Signup and view all the answers

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

Biostatistics Signup and view all the answers

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

For analysis and interpretation Signup and view all the answers

Which term best describes 'data'?

'Data' is raw information used for analysis. Signup and view all the answers

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

To deal with variation in numerical data for reliable results Signup and view all the answers

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

Ordinal data Signup and view all the answers

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

Dichotomous data Signup and view all the answers

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

Independent variable Signup and view all the answers

Which of the following is an example of dichotomous data?

Gender of the respondents (M/F) Signup and view all the answers

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

Periodontitis Signup and view all the answers

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

Nominal data Signup and view all the answers

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

Using abbreviations Signup and view all the answers

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

Being colorful Signup and view all the answers

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

Economy in space Signup and view all the answers

What does a histogram do to organize data points?

Group into user-specified ranges Signup and view all the answers

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

Bar graph Signup and view all the answers

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

To make data comparison easier Signup and view all the answers

What is recommended regarding the use of color in tables?

Use a monochromatic color scheme Signup and view all the answers

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

Bar graph Signup and view all the answers

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

Pictogram or cartogram Signup and view all the answers

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

The slices should overlap to show relationships. Signup and view all the answers

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

Map diagram Signup and view all the answers

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

A condition caused by excessive exposure to fluoride Signup and view all the answers

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

Pie charts are best used to represent continuous data. Signup and view all the answers

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

To represent geographic data or statistical data over a geographic area Signup and view all the answers

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

Visualizing data using icons or symbols Signup and view all the answers

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 Signup and view all the answers

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

To show the composition of a whole into different parts Signup and view all the answers