Data Analytics

Data analysts are likely to have achieved what education level when beginning their career?

Bachelor's degree

Select three critical factors to consider when determining the right data to select?

How will the data be collected? What types of data do you need to solve a specific problem? How much data should be collected? Has the data been anonymized?

Data-driven decision making (DDDM) can be facilitated through a six-step processes of Ask, Prepare, Process, Analysis, Share, and Act. Which of these steps refers to creating visualizations and presentations for key stakeholders?

Share

Data analysts must blend facts and data with knowledge about the

business or organization.

The 3-step data visualization process consists of exploring the data sets for pattern, then planning for visuals, and finally

creating your visuals.

Analytical skills necessary for a data analyst include the characteristics and capabilities that allow for the observation, research, and interpretation of a problem or change in a desired state. According to Google, there are five essential aspects of analytical skills including which three of the following?

data strategy understanding context curiosity sensing

Trying to answer questions such as "what happened?" or "what is occurring?" or "what was the ROI?" is the role of

descriptive analytics.

Data transformation is the process of converting the _____ of data.

format

Uses of data analytics include which three of the following?

improved decision making improved patient experiences and internal procedures in health care improved customer service

Qualitative data that is not categorized is called nominal data. Qualitative data that is categorized (ranked, for example) is considered _____ data.

ordinal

When data is anonymized, the PII is eliminated or encrypted. PII includes names, Social Security numbers, addresses, and more and stands for ______ identifiable information.

personally

SQL, usually pronounced "sequel," is quite useful when working with large data sets. The Q in SQL stands for

query

Collections of related fields in a database are referred to as

records

In order to be considered open data, databases must provide access rights so that they can be

redistributed

A major trend in data analytics is the use of artificial intelligence to focus on small data which is more precise, using small datasets that are capable of impacting decisions in the present. This is known as ______ AI.

scalable

The main tools used by data analysts include which three of the following?

spreadsheets databases and query languages data visualization tools

SQL allows users to isolate specific information contained in a database, as well as to aid in the selection, creation, addition, and extraction of data from a database. SQL stands for ______ query language.

structured

A common SQL term used in queries is FROM. FROM allows the user to choose the _____ of the database in which the query is located.

table

When selecting the right data, it is important to be aware of the source of the data. For example, data that is sold by an entity that didn't actually collect the data is considered ______ data.

third-party

In order to make understanding and interpretation of SQL queries easier, users have the ability to add comments. The symbol(s) that will tell SQL that an entry is a comment and should not be used in the query is(are)

two dashes: "- -."