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Connecting & Shaping Data - 2

Quiz by Support - BusinessPromoted .com

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20 questions
Show answers
  • Q1
    What is the primary purpose of using statistics functions within the query editor?
    To create relationships between tables
    To build complex visualizations
    To transform data for final analysis
    To explore and get information about the table
    60s
  • Q2
    Which tool allows you to apply row-level operations in Power BI?
    Data connectors
    Query settings pane
    Standard scientific and trigonometry tools
    Column profiling tools
    60s
  • Q3
    How can you identify and mark each row as odd, even, positive, or negative in Power BI?
    Date and time tools
    Data profiling tools
    Statistics tools
    Info functions
    60s
  • Q4
    In Power Query, what is the significance of grayed-out options in the menu?
    They indicate incomplete data connections
    They are deprecated features
    They are advanced features for premium users
    They indicate functions that are not applicable to the selected column type
    60s
  • Q5
    What should you do if the column profile tools are not available for a text-based column?
    Ignore the column
    Use count or count distinct functions
    Convert the column to a numeric type
    Create a new column
    60s
  • Q6
    When performing exploratory analysis in Power BI, why would you delete the last applied step after using a statistics function?
    To prepare the table for export
    To create a backup of the data
    To save memory space
    To return the table to its original state
    60s
  • Q7
    How can you calculate the average product price in a dataset using Power Query?
    Use the Count Distinct function
    Manually add up the prices
    Use the Sum function and divide by the count
    Use the Average function under the Transform tab
    60s
  • Q8
    What is the primary use of rounding tools in Power Query?
    To standardize numerical values to a specified number of decimal places
    To create new columns
    To aggregate data
    To format text values
    60s
  • Q9
    Why is it important to ensure data types are consistent within a column before using locale-based transformations?
    To reduce file size
    To avoid errors and ensure accurate transformations
    To speed up data processing
    To enable data visualization
    60s
  • Q10
    How can you automatically update a calendar table in Power BI to reflect the current date?
    Create a new table each time
    Use a rolling calendar with M code
    Use a static calendar and update manually
    Manually add dates each day
    60s
  • Q11
    When dealing with date formats from different countries, what is the critical step to ensure correct date interpretation?
    Change the data type to text
    Update the locale used to recognize the date format
    Ignore date columns
    Convert dates to a string format
    60s
  • Q12
    How can you create a rolling calendar in Power BI?
    Use a pre-built calendar template
    Use Excel to generate dates and import them
    Use M code in a blank query to generate dates based on the current date
    Manually add dates each week
    60s
  • Q13
    What is the purpose of the "Convert to Table" option in the context of a rolling calendar?
    To merge multiple tables
    To create visualizations
    To change the data type of a column
    To convert a list of dates into a usable table format
    60s
  • Q14
    Why would you add a column for "Start of Week" in a calendar table?
    To combine multiple date fields
    To remove weekends from the data
    To facilitate week-based analysis and filtering
    To convert date fields into text
    60s
  • Q15
    In the context of date transformations, what does the "Earliest" function return?
    The current date
    The latest date in the column
    The average date in the column
    The earliest date in the column
    60s

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