Data Quality Quiz

Mary and Roshan are working on a project that involves analyzing customer feedback data. Which of the following BEST defines data quality in their project?

• The volume of data collected.

• The accuracy, completeness, consistency, timeliness, and validity of data.

• The speed at which data is processed.

• The storage capacity of the data warehouse.

During a school project, Dephinna and Roshan were tasked with collecting data about the local weather. What does "data accuracy" mean in this context?

• Data is consistent across different systems.

• Data is free from errors and reflects the true value.

• Data is available when needed.

• Data conforms to a defined format.

"Roshan's name is spelled differently in two systems" is an example of which data quality issue?

• Incompleteness

• Inconsistency

• Inaccuracy

• Invalidity

Santhiya and Abarna are working on a school project that requires them to collect data about the local wildlife. What does "data completeness" mean in the context of their project?

• All required data elements are present.

• Data is consistent across different systems.

• Data is accurate and free from errors.

• Data is up-to-date.

During a school project, Bergin and Jenisha were tasked with analyzing the quality of data collected from various sources. Which of the following is NOT a common cause of poor data quality?

• Manual data entry errors

• Lack of data governance policies

• Automated data validation rules

• System integration issues

Roshan was trying to save a friend's phone number, but he accidentally entered only nine digits instead of ten. This is an example of which data quality issue?

• Incompleteness

• Inconsistency

• Inaccuracy

• Invalidity

Dephinna and Arul are working on a group project and need to ensure that the data they are using is consistent. What does "data consistency" mean in this context?

• Data is accurate and free from errors.

• Data is the same across all systems and databases.

• Data is available when needed.

• Data conforms to a defined format.

"Arul's birthdate is recorded as a future date" is an example of which data quality issue?

• Incompleteness

• Inconsistency

• Inaccuracy

• Invalidity

What does "data timeliness" mean?

• Data is accurate and free from errors.

• Data is consistent across different systems.

• Data is up-to-date and reflects the current situation.

• Data conforms to a defined format.

"Data about a product is stored in the system even though the product has been discontinued for a year" is an example of which data quality issue?

• Incompleteness

• Inconsistency

• Inaccuracy

• Lack of timeliness