Artificial Intelligence

Question 1

What is the difference between a traditional computer program and an ML model?

Answer 1

ML models use a data-driven approach

Question 2

Which one of the following applications would most benefit from using an ML model?

Answer 2

A text prediction application that saves you time by predicting the next word you want to use in a sentence

Question 3

AI applications can be used to generate works of art. What data does the model need to be able to generate the art?

Answer 3

Vast quantities of example artwork

Question 4

A popular music streaming service has been designed using machine learning. Which one of the following services would benefit from using a data-driven approach?

Answer 4

Recommending a playlist based on the songs you commonly listen to

Question 5

Which type of machine learning involves the use of pre-labelled data?

Answer 5

Supervised learning

Question 6

Which one of the following describes the supervised learning approach to classification?

Answer 6

Categorizing data by applying labels

Question 7

The following diagram shows that a piece of data has been labelled as an orange. Which one of the following describes the term ‘label’?

Answer 7

Applied to a single piece of data to indicate which class it belongs to

Question 8

Which one of the following describes test data used during the creation of a classification model?

Answer 8

Data used to check the accuracy of the model

Question 9

A machine learning model has been developed to identify birds from sound alone.

Answer 9

Add more audio samples of all known varieties of birds, Add audio samples of blackbirds in different conditions such as close up or far away

Question 10

Whilst testing and evaluating the model, the developers found the following results. Which one of them is an indication of bias in the machine learning model?

Answer 10

The app is 96% accurate for blackbirds and 48% accurate for pigeons

Question 11

Which one of the following methods would help to reduce bias in machine learning models?

Answer 11

Using equal amounts of data from different categories to train the model

Question 12

Decision trees are made of nodes and conditions. Which two of the following nodes would contain a condition?

Answer 12

Decision nodes
The root node

Question 13

Which of the following types of data would be suitable for a decision tree?

Answer 13

Numeric

Question 14

Two machine learning developers have created decision trees. They have both used the same data set, but one has used the first half of the data set and the other has used the second half.

Which of the following would you expect to see when comparing the decision trees?

The decision trees are different

The decision trees are the same

Answer 14

The decision trees are different

Question 15

Which two of the following are true about decision tree machine learning models?

Answer 15

They are suitable for handling large data sets with many features

They are able to adapt conditions based on new training data

Question 16

AI project life cycle in order.

Answer 16

1.Defining the problem
2.Preparing the data
3.Training the model
4.Testing the model
5.Evaluating the model
6.Explaining the model

Question 17

Which one of the following tasks takes place during the data preparation stage of the AI project life cycle for a classification model?
Measuring the accuracy of the model
Creation of the classes
Data cleaning
Producing a model card

Answer 17

Data cleaning

Question 18

Which one of the following best describes the purpose of a model card?

Answer 18

Helps application developers evaluate whether or not to use a machine learning model in their product

Question 19

Which two of the following pieces of information would be included on a model card?

What the accuracy of the model is

What the known bias in the model is

What the amount of time spent training the model was
What the technical skills needed to implement the model are

Answer 19

What the accuracy of the model is

What the known bias in the model is