Which of the following step is performed by data scientist after acquiring the data?

• Data Cleansing
• Data Integration
• Data Replication
• Data mining

Point out the wrong statement

• The big volume indeed represents Big Data
• The data growth and social media explosion have changed how we look at the data
• Big Data is just about lots of data
• Big data enables organizations to store, manage the data

Which of the following characteristic of big data is relatively more concerned to data science?

• Velocity
• Variety
• Volume
• Datamatics

Identify the following object that can best to be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data.

• MapReduce
• Mahout
• Oozie
• Statistical

Which of the following is not an application for data science?

• Recommendation Systems
• Image & Speech Recognition
• Online Price Comparison
• Privacy Checker

What is the work of Data Architect in the field of data science?

• Utilize large data sets to gather information that meets their company's needs
• Work with businesses to determine the best usage of the information yielded from data
• Build data solutions that are optimized for performance and design applications
• Probability & Statistics

Which of the following language mainly used in Data science?

• C
• C++
• R
• Ruby

If there are more than two numbers that appear maximum number of times in any data set is called as ________.

• Uni modal
• Multi modal
• Bi-modal.
• Project Data

Which of the following is the common goal of statistical modeling?

• Find only one solution
• Find out the question which is to be answered
• Find out answer from dataset
• Find out answer without asking question

Find out the suitable examples of Big Data that is used by the most people in USA.

• Stock exchanges
• Transportation
• Healthcare
• Cyber-security