Data Representation and Analysis Quiz

What is the primary difference between primary and secondary data?

• Primary data is more accurate than secondary data.

• Primary data is collected by machines, while secondary data is collected by humans.

• Primary data is always numerical, while secondary data is always textual.

• Primary data is collected firsthand, while secondary data is obtained from existing sources.

Which of the following is a characteristic of a pictograph?

• It uses bars to represent data.

• It uses pictures or symbols to represent data.

• It is used to compare two sets of data.

• It can show exact values of data.

What is a double bar graph used for?

• To represent data using pictures.

• To compare two sets of data.

• To show the frequency of data.

• To display parts of a whole.

What is raw data?

• Data that is used for comparison.

• Data that has been organized into tables.

• Data that is collected and not yet organized.

• Data that is represented graphically.

Which of the following is an example of discrete data?

• The temperature in a city.

• The number of children in a family.

• The height of a building.

• The weight of students in a class.

What is the purpose of a frequency distribution table?

• To compare two sets of data.

• To display data using symbols.

• To show how frequently a particular item occurs in a group.

• To represent data in a circular format.

What is the difference between overlapping and non-overlapping class intervals?

• Non-overlapping intervals have different upper and lower limits, while overlapping have the same.

• Overlapping intervals are used for discrete data, while non-overlapping are for continuous data.

• Non-overlapping intervals are used for continuous data, while overlapping are for discrete data.

• Overlapping intervals have the same upper and lower limits, while non-overlapping do not.

What is a histogram?

• A table showing how frequently a particular item occurs.

• A circular graph divided into pieces.

• A graphical representation of the frequency distribution of a continuous variable.

• A graphical representation of data using bars with spaces between them.

What is another name for a circle graph?

• Pie graph

• Line graph

• Histogram

• Bar graph

What is the first step in creating a circle graph?

• Draw the graph.

• Count the number of groups.

• Find the whole parts.

• Find the central angle.