PRACTICE QUIZ
The manage stage of the data life cycle is when a business decides what kind of data it needs, how the data will be handled, and who will be responsible for it.
During planning, a business decides what kind of data it needs, how it will be managed throughout its life cycle, who will be responsible for it, and the optimal outcomes.
A data analyst uses a spreadsheet function to aggregate data. Then, they add a pivot table to show totals from least to greatest. This would happen during which stage of the data life cycle?
The analyze stage is when data is used to make good decisions, and a spreadsheet is a very useful tool for supporting that objective.
The data life cycle deals with the stages that data goes through; data analysis involves following a process to analyze data.
The data life cycle deals with the stages that data goes through during its useful life; data analysis involves following a process to analyze data.
A company takes insights provided by its data analytics team, validates them, and finalizes a strategy. They then implement a plan to solve the original business problem. This describes which step of the data analysis process?
The act phase is when insights are put into action.
What is the main difference between a formula and a function?
A formula is a set of instructions used to perform a specified calculation; a function is a preset command that automatically performs a specified process.
Structured query language (SQL) enables data analysts to communicate with a database.
SQL allows a data analyst to communicate with a database in order to retrieve and manipulate data.
In the analyze stage of the data life cycle, what might a data analyst do? Select all that apply.
In the analyze stage of the data life cycle, a data analyst might use formulas to perform calculations, create a report from the data, or use spreadsheets to aggregate data.
Describe how the data life cycle differs from data analysis.
The data life cycle involves stages for identifying needs and managing data. Data analysis involves process steps to make meaning from data.
What actions might a data analytics team take in the act phase of the data analysis process? Select all that apply.
During the act phase, a data analytics team might validate insights, finalize a strategy, and put a plan into action.
Fill in the blank: A function is a predefined operation, whereas a formula is _____.
A function is a predefined operation, whereas a formula is a set of instructions used to perform a specified calculation.
Fill in the blank: A query is used to _____ information from a database. Select all that apply.
A query enables data analysts to request, retrieve, and update information from a database.
Fill in the blank: Structured query language (SQL) enables data analysts to _____ the information in a database. Select all that apply.
A query enables data analysts to request, retrieve, and update information from a database.
In which stage of the data life cycle does a business decide what kind of data it needs, how the data will be managed, and who will be responsible for it?
During planning, a business decides what kind of data it needs, how it will be managed throughout its life cycle, who will be responsible for it, and the optimal outcomes.
A data analyst is working at a small tech startup. They’ve just completed an analysis project, which involved private company information about a new product launch. In order to keep the information safe, the analyst uses secure data-erasure software for the digital files and a shredder for the paper files. Which stage of the data life cycle does this describe?
This describes the destroy phase, during which data analysts use secure data-erasure software and shred paper files to protect private information.
A company takes insights provided by its data analytics team, validates them, and finalizes a strategy. They then implement a plan to solve the original business problem. This describes the share step of the data analysis process.
This describes the act phase, when insights are put into action. This involves a company or organization implementing a plan to solve the original business problem.
Fill in the blank: A formula is a set of instructions used to perform a specified calculation; whereas a function is _____.
A formula is a set of instructions used to perform a specified calculation; a function is a preset command that automatically performs a specified process.
A data analyst wants to retrieve information from a database. Select the correct tool from the data analyst’s toolkit.
A query enables data analysts to request, retrieve, and update information from a database.
Fill in the blank: A business decides what kind of data it needs, how the data will be managed, and who will be responsible for it during the _____ stage of the data life cycle.
A business decides what kind of data it needs, how the data will be managed, and who will be responsible for it during the plan stage of the data life cycle.
The destroy stage of the data life cycle might involve which of the following actions? Select all that apply.
The destroy phase of the data life cycle might involve shredding paper files or using data-erasure software.
During the capture stage of the data life cycle, a data analyst may use spreadsheets to aggregate data.
Using spreadsheets to aggregate data would happen during the analyze stage.
Data analysts use queries to request, retrieve, and update information within a database.
Data analysts use queries to request, retrieve, and update information within a database.
You are in the plan stage of the data lifecycle for your current project. What action might you take during this stage?
What is the primary purpose of the destroy stage of the data life cycle?
A data analyst is working at a small tech startup. On their current project they are in the analyze stage of the data life cycle. What might they do in this stage?
A business analyst recently completed a project that their company has decided to use to solve a larger business problem. What step is this in the data analysis process?
Data analysts use queries to analyze information within a database.
In the plan stage of the data life cycle, what decisions would a data analyst make? Select all that apply.
A set of instructions used to perform a specified calculation is known as what?
In the course of their current project, a data analyst uses a query to retrieve and request information. Which of the following are options the analyst can use a query for? Select all that apply.
Why is SQL the most popular structured query language? Select all that apply.
A data analyst has finished an analysis project that involved private company data. They erase the digital files in order to keep the information secure. This describes which stage of the data life cycle?
The data life cycle deals with the stages that data goes through during its useful life; data analysis involves following a process to analyze data.
In data analysis, a function is a preset command whereas a formula is a set of instructions used to carry out a specific calculation.
Fill in the blank: To request, retrieve, and update information in a database, data analysts use a _____.
The planning stage of the data life cycle is when a business decides what kind of data it needs, how the data will be handled, and who will be responsible for it.
In the analyze phase of the data life cycle, what might a data analyst do? Select all that apply.
Fill in the blank: In the act phase of the data analysis process, a company may need to _____ the insights of the data analysis team.
Fill in the blank: Using a formula to perform calculations, creating a report from their data, and using spreadsheets to aggregate data would all be actions carried out in the ________ stage of the data lifecycle.
Fill in the blank: The data life cycle has six stages, whereas data analysis has six _____.
Fill in the blank: A function is a preset command, whereas a formula is _____.
In the destroy phase of the data lifecycle, a data analyst might shred paper files.
A data analyst is working at a small tech startup. On their current project they are using spreadsheets to aggregate data. In which stage of the data life cycle is this analyst?
In data analysis, a preset command is known as what?
Ready to test your recall?
The manage stage of the data life cycle is when a business decides what kind of data it needs, how the data will be handled, and who will be responsible for it.
How confident are you in this answer?