Data Science dan Digital Marketing 1

What is meant by Data Science?

• A science that only relates to number processing

• A science that studies how to store data only

• A science that uses data to gain insights and make decisions

• A science that is only used in business

The first step in the Data Science process is ...

• Data Visualization

• Data Collection

• Data Cleaning

• Data Modeling

Data that consists of numbers and categories that can be counted is called ...

• Qualitative Data

• Unstructured Data

• Structured Data

• Mixed Data

What is the purpose of Data Cleaning?

• To discard all unnecessary data

• To ensure data is clean from errors and ready to use

• To remove all outliers

• To convert data to a new format

Examples of software used in Data Science are ...

• Microsoft Word

• Python

• Photoshop

• AutoCAD

What is a missing value in data?

• Data that is not used

• Data that is missing or empty

• Data that is corrupted

• Data that is too large

The function of Pandas in Python is ...

• Data visualization

• To assist in data manipulation and analysis

• To process images

• To analyze algorithms

Which library is used to create graphs in Python?

• NumPy

• Matplotlib

• Pandas

• SciPy

The technique used to see relationships between data with graphs is called ...

• Data Cleaning

• Data Visualization

• Data Modeling

• Data Collecting

Examples of data visualization methods that are often used are ...

• Pie chart

• Histogram

• Scatter plot

• All are correct