AI Tech Trainee Module 1

Which of the following factor(s) contributed to the recent boost in AI technology ?

• Improved computing power

• Invention of new statistical methods

• Big data

• Bill Gates‘ 50 bn investment into tech start-ups

Which statement is true?

• Machine Learning can replace Artificial Neural Networks in future

• AI is machine learning programmed by a computer

• A Machine Learning model is trained based on prior data

• Supervised ML is applied when clustering unstructured data

Object detection in images is typically done by... (1 answer)

• calculating correlation of pixels

• Identifying pre-trained concepts using a neural network

• Determining distance of objects to the frame of the image

• Replacing colored pixels with ordinal variables

Input to your model is a series of temperatures in °C in last 365 days. What level of measurement is that variable?

• Ratio

• Nominal values

• Interval

• Continuous, ordinal number

Which of the following values are possibly correlation coefficients ?

• - 0.5

• 0.1

• 1.1

• 0.2536542

The correlation coefficient is 0. This means there is no relationship between the two variables.

• True

• False

Which are the foremost used programming languages for doing machine learning?

• R

• JavaScript

• SQL

• Python

What are python libraries?

• Sub-programs that allow Python to communicate with different operating systems

• Pieces of documentation on how to use different Python modules

• Sets of useful functions or chunks of code that you can reuse

• Modules that allow you to integrate IDEs in your work

Which of the following Python libraries are commonly used in data science?

• Pandas

• NumPy

• Matplotlib

• Scikit-learn

Which steps are typically a part of an EDA?

Check all that apply.

• Missing data analysis

• Hypothesis testing

• Calculating descriptive statistics

• Dimensionality reduction