Free Master of Data Science Questions and Answers

Question 1

Which of the following should the question mark in the accompanying figure be used in place of?

Accepted Answer

Data Science

Answer

Without the accompanying figure, this question implies a diagram illustrating the intersection or overarching field of various disciplines like statistics, computer science, and domain expertise. Data Science is precisely this interdisciplinary field that combines these elements to extract knowledge and insights from data. Therefore, it is the most fitting term to represent the central concept.

Question 2

Identify the accurate statement.

Accepted Answer

Raw data is original source of data

Answer

Raw data refers to the initial, unprocessed information collected directly from its source. It is the original form of the data before any cleaning, transformation, or analysis has been applied. This makes it the fundamental starting point for any data science project.

Question 3

What tasks are carried out by data scientists?

Accepted Answer

All of the above

Answer

Data scientists perform a wide array of tasks throughout the data lifecycle. They are responsible for defining the core questions to be answered, creating reproducible code for consistent and verifiable results, and critically challenging findings to ensure accuracy and validity. These activities are all integral to effective data analysis and insight generation.

Question 4

Which of the following languages is crucial for data science?

Accepted Answer

R

Answer

R is a powerful and widely used programming language specifically designed for statistical computing and graphics. It offers an extensive ecosystem of packages for data manipulation, visualization, statistical modeling, and machine learning, making it a crucial tool for many data scientists. While Python is also very popular, R remains a cornerstone in the field.

Question 5

Identify the incorrect statement.

Accepted Answer

Data visualization is the organization of information according to preset specifications

Answer

Data visualization is the graphical representation of information and data to help users understand patterns, trends, and outliers. It's about making complex data more accessible and understandable through charts, graphs, and maps, rather than simply organizing it according to preset specifications. The other options describe valid data manipulation techniques.

MS-DS Master of Data science Practice Test

MS-DS Master of Data science Practice Test

Free Master of Data Science Questions and Answers