Crowdly

The site: operator is available on Google to search for

None of the other answers are correct.

a specific word available at any website.

websites about a specific topic.

websites whose address include a specific domain.

NO ANSWER

Can databases include fields that do not appear on the search interface?

Yes: some fields may be only available upon reviewing the results of a search.

No: a search interface contains all the fields of a database.

NO ANSWER

Yes, but only when search results are not shown on a table.

Yes: when the database does not allow downloads.

can contain words as values.

An ordinal variable...

none of the other answers are correct.

cannot contain words as values.

NO ANSWER

can only contain numbers as values.

We have mentioned that public administrations are bound to "transparency" (also known as "freedom of information"). What are we referring to?

It is likely that private companies make available some data about some topics.

None of the other answers are correct.

Public offices/administrations likely make available some data about certain topics.

Public offices/administrations are obliged to make data about certain topics available to the public.

NO ANSWER

We can practice data journalism...

Starting from reports that summarise data with graphs and conclusiones already delivered from others.

Starting from raw data sources to analyse them.

Starting from experts' statements about specific data.

Starting from maps that include data that we could decipher.

NO ANSWER

If you need to connect more than two datasets, what must be common for all of them?

Each dataset has the same number of values inside a variable.

Each dataset contain a variable with numbers as data.

Each dataset include words as data in a variable, although this values does not match at both datasets.

Each dataset must contain a variable having common data (ex: names of cities) to another variable in another dataset.

NO ANSWER

Is it possible to create data journalism with a data variable not containing numbers?

Yes if these data are not repeated inside more than a case.

No, because you can not use them for mathematical operations (addition, average, etc.).

No, never.

NO ANSWER

Yes, if these data can be quantified, whatever the way.

What is UTF-8?

A file format

A website to create graphs

A text encoding format

NO ANSWER

A scraping software

If you have to connect two datasets, what should these datasets have to match them?

The same number of values in each dataset

A series of numerical values in each data set

Alphabetically-ordered values in each dataset, even if they do not coincide

A set of values that are common to a variable in each dataset (e.g., names of cities)

NO ANSWER