In a typical data analytics project, how much time is usually spent on data preparation? < 10% up to 20% 50% to 70% more than 90%

Which of the following are examples of discrimination as a result of AI using incomplete or unrepresentative training data? Choose all that apply.

Machine translations showing gender bias

Stock price predictions generating wrong predictions from time to time

Face recognitions working well fro white men but not for black women

Spam filters working nearly perfectly

When using data collected from the Internet for analytics, which of the following is related to the concern of bias?

Most of the data on Internet is unstructured, which is difficult to process.

Not everyone has access to the Internet so the data from the Internet is not representative of the population

There is too much data on the Internet

In a structured dataset organized in a tabular format with rows and columns, what does each row represent?

A certain property or attribute of a set of entities

A set of values of the same data type

The information about an object or an observation