Data Visualization MCQ

Below Data Visualization quiz are Multiple Choice Questions (MCQs) type Quiz. These Data Visualization MCQ Questions helps you to refresh your Data Visualization, you can see the correct option by clicking on it. .
  • 1. Often, Where do the BI applications gather data from?

    • Data warehouse
    • Data mart
    • Both Data Warehouse and Datamart
    • Database
  • 2. This function in the library of Pandas allows you to manipulate data and create new variables:

    • a) read_csv function
    • b) Pivot_table function
    • c) apply function
    • d) merge function
  • 3. Which of the following is correct Features of DataFrame?

    • Potentially columns are of different types
    • Can Perform Arithmetic operations on rows and columns
    • Labeled axes (rows and columns)
    • All of the above
  • 4. What does a typical BI environment comprise of?

    • Data warehouse
    • Data mart
    • OLAP TOOLS
    • All of the above
  • 5. Which of the following methods should be employed in the code to display a plot?

    • Display()
    • Show()
    • Execute()
    • Plot()
  • 6. In regards to separated value files such as .csv and .tsv, what is the delimiter?

    • Any character such as the comma (,) or tab (\t) that is used to separate the column data.
    • Any character such as the comma (,) or tab (\t) that is used to separate the row data
    • Anywhere the comma (,) character is used in the file
    • Delimiters are not used in separated value files
  • 7. Which of the following statement is true about Business Intelligence?

    • BI convert raw data into meaningful information
    • BI has a direct impact on organization's strategic, tactical and operational business decisions.
    • BI tools perform data analysis and create reports, summaries, dashboards, maps, graphs, and charts
    • All of the above
  • 8. Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?

    • a) DataFrame.from_items
    • b) DataFrame.from_records
    • c) DataFrame.from_dict
    • d) All of the mentioned
  • 9. Which of the following are BI tools?

    • Qlik
    • Siebel
    • Cognos
    • All of the above
  • 10. Which of the following are direct benefits of Business Intelligence?Options

    • Decision making
    • Delivers data mining functionality
    • Artificial intelligence
    • All of the above