DataScienc-19 & 20

What is the main goal of Descriptive Analytics?

• To summarize historical data

• To predict future outcomes

• To identify why something happened

• To prescribe actions for the future

Which type of analytics answers the question “Why did it happen?”?

• Descriptive

• Prescriptive

• Predictive

• Diagnostic

If a company uses data to forecast next month’s sales, it is using

• Descriptive Analytics

• Diagnostic Analytics

• Predictive Analytics

• Prescriptive Analytics

What is the main purpose of Big Data Analytics?

• To store data in Excel

• To delete unnecessary data

• To extract insights from large and complex datasets

• To generate random reports

Which Big Data tool is commonly used for distributed storage and processing?

• Tableau

• Hadoop

• Excel

• Power BI

In a hospital, using patient history to suggest the best treatment plan is an example of

• Descriptive Analytics

• Predictive Analytics

• Diagnostic Analytics

• Prescriptive Analytics

Which loop is best for iterating through a list in Python?

• while loop

• if statement

• for loop

• do-while loop

What does the break statement do in a loop?

• Exits the loop entirely

• Does nothing

• Restarts the loop

• Skips the current iteration

Which of the following Python modules is primarily used for structured data analysis?

• numpy

• pandas

• matplotlib

• random

What does continue do in a loop?

• Ends the loop completely

• Skips the rest of the code in the current iteration

• Stops the program

• Restarts the loop from the beginning