Data Analytics and Data Science Quiz

Which of the following best describes Data Analytics?

• A broad field that includes machine learning and modeling.

• The extraction of knowledge from structured or unstructured data.

• A process of examining data to draw conclusions and insights.

• A process used to create predictive models and enable data-driven automation.

What is the primary goal of Data Science?

• To provide insights for business decisions.

• To analyze existing information.

• To discover patterns, build predictive models, and enable data-driven automation.

• To describe what happened or is currently happening.

Which of the following is an example of a tool used in Data Analytics?

• Python

• R

• Hadoop

• Tableau

What is the main difference between Descriptive Analytics and Predictive Analytics?

• Descriptive Analytics works with structured data, while Predictive Analytics works with unstructured data.

• Descriptive Analytics answers 'What happened?', while Predictive Analytics answers 'What might happen?'.

• Descriptive Analytics is a part of Data Science, while Predictive Analytics is not.

• Descriptive Analytics uses dashboards, while Predictive Analytics uses recommendation systems.

Which type of data is collected firsthand by a researcher for a specific purpose?

• Secondary data

• Unstructured data

• Primary data

• Big data

What is the key characteristic of nominal data?

• It has a natural order or ranking.

• It can take any value within a given range.

• It has labels only, with no numeric or logical order.

• It consists of whole numbers only.

Which of the following is an example of continuous data?

• The number of students in a class.

• The grades of students.

• The temperature range.

• A person's gender.

What is the first step in the Data Analytics process?

• Collecting the data.

• Defining the question.

• Data cleaning.

• Analyzing the data.

What is the purpose of the Formula Bar in Microsoft Excel?

• To display the file name.

• To switch between different worksheets.

• To allow you to view, enter, or edit data or formulas in a cell.

• To display the selected cell address.

Which part of Microsoft Excel provides quick access to frequently used commands like Save, Undo, and Redo?

• The Ribbon

• The Quick Access Toolbar

• The Status Bar

• The Sheet Tabs