Statistics & Machine Learning

Which of the following are the Data Sources in data science?

• 
  Structured

• UnStructured

• Both A and B

• None Of the above

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

• Data Cleansing

• Data Integration

• Data Replication

• All of the Mentioned

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

• 
  Dataset

• Classifiers

• Unsupervised learning

• Supervised learning

Where the observer rewards the agent for correct responses

• 
  Decision tree learning

• Sentiment analysis

• Predictive models

• Reinforcement learning

The science of analysing data, drawing conclusion with respect to variation observed in data is called as____________?

• 
  CONCEPT

• DERIVATIVE

• STATISTICS

Which of the following diagram is correct ?

• 
• 

Find mean of 
 2, 3, 5, 8, 2

• 10

• 4

• 5

Find Median of :
8, 2, 3, 5, 9

• 2

• 45

• 5

• 3

Find Median of:

1, 2, 3, 4, 6, 7, 8, 9

• 4

• 5

• 5

Find Mode of :
2, 3, 4, 2, 5, 3, 2, 6

• 3

• 2

• None