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12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper 1 8682895000 Jan-06 , 2020

Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart

12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper 1

Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper 1

12th Standard

    Reg.No. :
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Computer Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5

  1. To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
    Python –m pip install –U pip

    (a)

    downloading pip to the latest version

    (b)

    upgrading pip to the latest version

    (c)

    removing pip

    (d)

    upgrading matplotlib to the latest version

  2. Read the code:
    a. import matplotlib.pyplot as plt
    b. plt.plot(3,2)
    c. plt.show()
    Identify the output for the above coding

    (a)

    (b)

    (c)

    (d)

  3. Which kind of data encoded visually communicate a quantitative message

    (a)

    String

    (b)

    Numbers

    (c)

    Images

    (d)

    None of these

  4. The numerical data is encoded using

    (a)

    dots

    (b)

    lines

    (c)

    bars

    (d)

    all of these

  5. Which of the following is a management software for installing python package?

    (a)

    pip

    (b)

    plot

    (c)

    mat plot lib

    (d)

    plot lib

    6. 5 x 2 = 10

  6. What is Data Visualization?

  7. List the types of Visualizations in Matplotlib.

  8. How will you install Matplotlib?

  9. What is matplotlib?

  10. What is pip?

    11. 5 x 3 = 15

  11. Draw the output for the following data visualization plot.
    import matplotlib.pyplot as plt
    plt.bar([1,3,5,7,9],[5,2,7,8,2], label="Example one")
    plt.bar([2,4,6,8,10],[8,6,2,5,6], label="Example two", color='g')
    plt.legend()
    plt.xlabel('bar number')
    plt.ylabel('bar height')
    plt.title('Epic Graph in Another Line! Whoa')
    plt.show()

  12. Write any three uses of data visualization.

  13. Write the coding for the following:
    a. To check if PIP is Installed in your PC.
    b. To Check the version of PIP installed in your PC.
    c. To list the packages in matplotlib.

  14. Write a python code to display the following plot.

  15. List the buttons in matlibplot window.

    16. 4 x 5 = 20

  16. Explain in detail the types of pyplots using Matplotlib.

  17. Explain the various buttons in a matplotlib window.

  18. Write the key differences between Histogram and bar graph.

  19. Write s python code to display to following plot.
    Program

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