10 Questions
Which of the following is NOT a part of data exploration approaches?
Elimination of duplicate records
What is one of the data cleansing practices?
Quarantining outlier records
Why is it critical to check the data using data exploration techniques?
To build models
What is one of the data quality issues that can be addressed through data cleansing practices?
Missing values
What is one of the examples of data types and conversion?
Transformation of income expressed in USD
Which of the following best describes a data model?
A representation of data and the relationships in a given dataset
What is the purpose of data modeling?
To abstract the relationship between variables in a dataset
Which field is closely related to data science?
Computer science
What are some examples of data science tools?
Statistical algorithms and machine learning
What tasks can be performed using data modeling?
Data classification and regression
Test your knowledge on data exploration and data quality in this quiz. This quiz covers various approaches to data exploration, including descriptive statistics and data visualization. It also assesses your understanding of data quality and the identification of outliers and interrelationships within a dataset.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
