Data Analytics
In Excel, what is the difference between "count" and "numerical count"? Correct answer "Count" will count everything, including text and numbers, while "numerical count" will count only numbers. "Count" will count only text, while "numerical count" will count only numbers. Attempted incorrect option There is no difference between "count" and "numerical count," and they can be used interchangeably.
"Count" will count everything, including text and numbers, while "numerical count" will count only numbers.
Which tool can you use to find duplicates in Excel? Flash Fill VLOOKUP Attempted correct option Conditional Formatting Concatenation
Conditional Formating
If your company says that you are not allowed to access existing data, what should you do? Create your own data. Attempted correct option Follow company rules. Access any data you can on your own.
Follow company rules.
Which function in Excel determines what happens if a condition is true or false? MATCH INT Attempted correct option IF NOT
IF
On the Home tab in Power Query, what should you select if you want to merge your two datasets into one? Merge Datasets as New Merge Datasets Merge Queries as New Attempted correct option Merge Queries
Merge Queries
If you learn Power Query in Excel, in which other platform will you also know how to use it? Metabase Google Data Studio Attempted correct option Power BI Superset
Power BI
Which tool in Excel lets you import or connect to external data, and then shape and analyze that data in ways that meet your needs? Tableau Desktop Attempted correct option Power Query Visual Basic Editor
Power Query
Which two basic SQL statements are needed for a select query? SELECT and ORDER BY SELECT and WHERE Attempted correct option SELECT and FROM
SELECT and FROM
What is an example of a logical function? the all function Attempted correct option the IF function the sum function
The IF function
If you want to change a selected column from lowercase to uppercase, what should you select? Replace Values Change Type Attempted correct option Transform
Transform
How do you combine fields in Power Query? Use the concatenate function. Use the VLOOKUP function. Use Conditional Column. Attempted correct option Use Merge Columns on the fields.
Use Merge Columns on the fields.
When you edit and clean a macro in Excel, you can also learn more about which programming language? Attempted correct option VBA Perl Java Python
VBA
What is a benefit of maintaining your original data? Cleanup is remembered for future projects. Changes are automatically saved. Attempted correct option You are provided with an audit trail.
You are provided with an audit trail.
When you add two tables to a query window and you do not have a join type selected, what is created? Attempted incorrect option an inner join a right outer join Correct answer a cross join a left outer join
a cross join
Who is most likely responsible for processing, visualizing, and reporting from data to improve a business? Attempted correct option a data analyst a data engineer a data architect
a data analyst
When you have a lot of ground to cover in a meeting, what can you use to stay on track? sticky notes Attempted incorrect option a timer note cards Correct answer a slide deck
a slide deck
Which data has a type? Attempted correct option all data data with numbers data with text data with strings
all data
Combining the definitions of three words describes a data analyst. What are the three words? Attempted incorrect option analysis, analyze, and technology data, programs, and analysis analyze, data, and programs Correct answer data, analysis, and analyze
data, analysis, and analyze
When you develop data for other people, you should ensure the copy that you are providing them is _____. Correct answer disconnected from that data Attempted incorrect option connected to that data saved as a flat file
disconnected from that data
At what level of an organization do you find the key area of data? Attempted correct option every level the end-user level the top level the bottom level
every level
You are starting a new data project. What is one of the best sources to help you begin? Attempted incorrect option technical documentation queries the database Correct answer existing reports
existing reports
ETL, a critical process of data warehousing, stands for which three words? extract, transcribe, and leverage enter, translate, and leverage enter, transform, and leave Attempted correct option extract, transform, and load
extract, transform, and load
What is the biggest advantage of working with reusable datasets? It provides automated updates. It protects against viruses. Attempted correct option It saves time. It reduces errors.
it saves time
When using queries to model your data, what else will you leverage to create the datasets you need? source data flat files Attempted correct option joins and join types
joins and join types
What is an example of cleaning data? building pivots Attempted correct option removing unnecessary columns connecting the data in the database
removing unnecessary columns
Why is it important to note where your source data comes from? Correct answer so you have a path to follow if something is off in your data Attempted incorrect option so you can have the source data file at hand even when changes are made so you are in data governance compliance
so you have a path to follow if something is off in your data
Which function is used to create aggregated datasets in Power Query? the Group function Attempted correct option the Group By function the sort function
the Group By function
Where can you go for assistance and examples regarding a program's syntax? a friend the help desk Attempted correct option the Help menu
the Help menu
What does Power Query use to change to what it determines is the appropriate data type? the headers Attempted correct option the first real row of data data in the formula bar
the first real row of data
If you are joining data with queries, what must you know in order to validate your dataset? Correct answer the record counts Attempted incorrect option whether duplicated data exists the field headings
the record counts
Why should you only request access to the data you need? to save on costs for the company to prevent copyright infringements Attempted correct option to protect yourself and your organization
to protect yourself and your organization
When you connect directly to the data, when does the data in your file get updated? when your company runs its regular software updates Attempted correct option when the data and the source system are updated when you are given an updated file
when the data and the source system are updated