1. A basic spam filter is a good example of

• Supervised Learning

• Unsupervised Learning

• Reinforcement Learning

• All the above

If you are asked to predict a value as a problem statement what basic model should you use?

• Recursion

• Machine Learning

• Regression

• Deep Learning

Which of the following is the top most important thing in data science?

• answer

• question

• data

• All the above

Which of the following approach should be used if you can't fix the variable?

• randomize

• non stratify

• generalize

• None of the above

Which of the following is a good way of performing experiments in data science?

• Measure variability

• Generalize to the problem

• Have Replication

• Both a and c

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

• Velocity

• Variety

• Volume

• All of the above

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

• All of the above

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

• Data Cleansing

• Data Integration

• Data Replication

• All of the above

Which of the following focuses on the discovery of (previously) unknown properties on the data?

• Data mining

• Big Data

• Machine Learning

• Data wrangling

Which of the following uses relatively small amount of data to estimate about bigger population?

• Inferential

• Exploratory

• Causal

• None of the above