INF 317

Which of the following are examples of structured data?

• a) Spreadsheet tables

• b) Handwritten scanned notes

• c) Unevenly spaced time series

• d) Multidimensional arrays

Which type of data is not considered structured?

• a) Tabular spreadsheet data

• b) Multidimensional arrays

• c) Unevenly spaced time series

• d) Raw scanned images of handwritten notes

What is the main purpose of data analysis?

• a) To store data in a database

• b) To extract information and draw conclusions from data

• c) To design algorithms for encryption

• d) To write efficient low-level code

Which are considered tools for data analysis?

• a) Java

• b) R

• c) Python

• d) SAS

What is one key reason Python became popular in scientific computing?

• a) Its active community and rich ecosystem of data libraries

• b) Its guaranteed faster runtime compared to Java

• c) Its design as a purely statistical language

• d) Its ability to replace databases completely

Data cleaning and preprocessing improve accuracy and reliability of analysis.

• a) True

• b) False

Python code generally runs faster than compiled languages like C++.

• a) True

• b) False

Which limitation does Python face when building highly concurrent CPU-bound systems?

• a) Inability to run on multiple operating systems

• b) Lack of memory management

• c) Global Interpreter Lock (GIL)

• d) Lack of visualization libraries

Why is data analysis important?

• a) It improves decision-making

• b) It helps in risk management

• c) It automatically eliminates all data errors

• d) It supports performance evaluation

Which of the following tools is specifically mentioned in the lecture as useful for interactive data visualization?

• a) Tableau

• b) C++

• c) Python

• d) Java