Data Science Eco System_Quiz 1

Which of the following is one of the key data science skill ?

• Statistics

• Machine Learning

• Data Visualization

• All of the Mentioned

Select the examples, where Recommendation Algorithm works? [Multiple Answers]

• NetFlix

• YouTube

• Amazon

• Google Classroom

Which of the following is not type of learning?

• Semi-unsupervised Learning

• Unsupervised Learning

• Supervised Learning

• Reinforcement Learning

_____ is a learning model that is used to identify a relationship between large amounts of information from a data set.

• Classification

• Multi class classification

• Association

• Unsupervised learning

Q1. Which of the following is the most accurate definition of data science?

• a) Data science is extracting meaning from large data sets in order to provide insights to support decision-making

• b) Data science is using computers to analyse data and to perform calculations on the data to produce information

• c) Data science is performing experiments and recording the data produced by those experiments

• d) Data science is writing code to make sure that any inaccuracies in data sets are spotted and removed (cleaned)

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

• Data Integration

• Data Replication

• Data Cleansing

• All of the Mentioned

All data is labeled and the algorithms learn to predict the output from the input data

• Dataset

• Classifiers

• supervised learning

• unsupervised learning

Which stage of the data science process involves creating a model?

• Data collection

• Data analysis

• Model planning

• Data visualization