Python Panda Data Frame Quiz Question And Answers

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Suma
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Quizzes Created: 4 | Total Attempts: 6,876
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Python Panda Data Frame Quiz Question And Answers - Quiz

How much do you know about Data Frame? Attempt the basic Python Panda Data Frame Quiz Question And Answers to test your knowledge! All the questions are specially designed to test your knowledge. Can you correctly attempt them all? Let's see how much you know about Python. You can play this quiz to prepare for your upcoming examinations. Why not play this quiz with some of your friends for a great learning time. We sincerely wish you all the very best!


Questions and Answers
  • 1. 

    Define Data Frames.

  • 2. 

    -------- is the most popular open-source Python library used for doing data analysis.

    • A.

      Numpy

    • B.

      Pandas

    • C.

      Matplotlib

    Correct Answer
    B. Pandas
    Explanation
    Pandas is the most popular open-source Python library used for data analysis. It provides powerful data structures and data analysis tools, making it easier to manipulate, analyze, and visualize data. With its intuitive and flexible API, Pandas allows users to handle large datasets efficiently and perform various operations such as filtering, grouping, and merging data. It also offers support for time series data and missing data handling. Overall, Pandas is widely used in the data science community for its versatility and ease of use in data analysis tasks.

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  • 3. 

    In order to work with Pandas in Python, you need to import pandas library in your Python environment.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    To work with Pandas in Python, it is necessary to import the pandas library. This library provides various data structures and functions for data manipulation and analysis. By importing the pandas library, you can access its functionalities and use them in your Python environment. Therefore, the correct answer is True.

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  • 4. 

    A Series is a Pandas data structure that represents a one-dimensional array-like object of indexed data.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A Series in Pandas is indeed a one-dimensional array-like object of indexed data. It is similar to a column in a spreadsheet or a database table. The data in a Series is organized in a linear manner and can be accessed using the index labels. Therefore, the given statement is correct.

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  • 5. 

    The two basic and universally-popular data structures of Pandas are ........... and ............

    • A.

      Series DataFrame

    • B.

      Numpy DataFrame

    • C.

      Series Pandas

    Correct Answer
    A. Series DataFrame
    Explanation
    Pandas is a popular data manipulation library in Python, and it provides two basic data structures: Series and DataFrame. A Series is a one-dimensional array-like object that can hold any data type, while a DataFrame is a two-dimensional table-like data structure with labeled axes (rows and columns). These two data structures are widely used in Pandas for various data analysis and manipulation tasks.

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  • 6. 

    To create a series object, ------- method is used.

    • A.

      Array()

    • B.

      Series()

    • C.

      Arange()

    Correct Answer
    B. Series()
    Explanation
    The correct answer is "Series()". This method is used to create a series object in Python. A series object is a one-dimensional labeled array that can hold any data type. It is similar to a column in a spreadsheet or a SQL table. The Series() method allows you to pass in data, such as a list or array, and optionally specify labels for the index.

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  • 7. 

    To create an empty series object, Series() method is used with ---------.

    Correct Answer
    No parameter, no arguments
    Explanation
    To create an empty Series object, the Series() method is used with no arguments or you can explicitly pass in None or an empty list [].
    Example: pd.Series() or pd.Series([])

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  • 8. 

    Missing data in Pandas series and data frames can be filled with a ........... value.

    Correct Answer
    NaN
    Explanation
    Missing data in Pandas series and data frames can be filled with a NaN value. NaN stands for "Not a Number" and is a special value in Pandas that represents missing or undefined data. When filling missing values with NaN, it allows for easier identification and handling of missing data in data analysis tasks.

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  • 9. 

    Data Frame has -----------indices.

    Correct Answer
    Two
    Explanation
    A DataFrame has two types of indices: row indices and column indices. The row indices represent the labels or names assigned to each row in the DataFrame, while the column indices represent the labels or names assigned to each column in the DataFrame. These indices help in identifying and accessing specific rows or columns in the DataFrame. Therefore, the statement "Data Frame has two indices" is correct.

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  • 10. 

    Selecting a subset from a data frame requires ----- and -----functions.

    Correct Answer
    loc,iloc
    Explanation
    To select a subset from a data frame, the loc and iloc functions are used. The loc function is used to select rows and columns by label, while the iloc function is used to select rows and columns by index. These functions provide a convenient way to extract specific data from a data frame based on the desired labels or indices.

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  • 11. 

    ............ method helps in understanding and analyzing the behaviour of data.

    Correct Answer
    Statistical
    Explanation
    Statistical method helps in understanding and analyzing the behavior of data by using various statistical techniques such as data collection, organization, analysis, interpretation, and presentation. It involves the use of statistical measures, models, and tools to summarize and make inferences about the data. By applying statistical methods, patterns, trends, and relationships within the data can be identified, enabling researchers to draw meaningful conclusions and make data-driven decisions.

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  • 12. 

    ----- is the process of turning the value of a dataset ( or a subset of it)into one single value.

    Correct Answer
    Data Aggregation
    Explanation
    Data aggregation is the process of combining multiple values or data points into a single value. It involves summarizing or condensing the information in a dataset or a subset of it. This can be done by applying mathematical operations such as sum, average, count, or by grouping data based on certain criteria. The result is a single value that represents the collective information of the dataset, making it easier to analyze and interpret the data.

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  • 13. 

    ................ function is used for finding the highest values from a given set of values or column of a dataframe or a series.

    Correct Answer
    max()
    Explanation
    The max() function is used to find the highest values from a given set of values or column of a dataframe or a series. It returns the maximum value present in the set or column.

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  • 14. 

    .......... function is used to add all of the values in a particular column of a dataframe.

    Correct Answer
    sum()
    Explanation
    The sum() function is used to add all of the values in a particular column of a dataframe. It takes the column as input and returns the sum of all the values in that column. This function is commonly used in data analysis and manipulation tasks to calculate the total of a specific column.

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  • 15. 

    Passing -------- argument skips the missing values by default.

    Correct Answer
    skipna=True
    Explanation
    When the argument "skipna" is set to True, it means that missing values will be skipped by default. This means that if there are any missing values in the data, they will not be included in the calculations or operations performed. Instead, the calculations will be done only on the non-missing values.

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  • 16. 

    ............ function calculates the most occurance of each element along the axis selected.

    Correct Answer
    Mode()
    Explanation
    The Mode() function calculates the most frequent occurrence of each element along the selected axis.

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  • 17. 

    A sereis object is 2D array that stores ordered collection of columns that can store data of different tuple.

    Correct Answer
    False
    Explanation
    The given statement is false. A series object is not a 2D array, but a one-dimensional labeled array that can hold any data type. It is similar to a column in a spreadsheet or a SQL table. Each element in a series object is associated with a unique label or index, which allows for easy data manipulation and analysis.

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  • 18. 

    A data frame is a 1D array like object containing an array of data and an associated array of data labels.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A data frame is not a 1D array like object, but rather a 2D table-like structure that contains rows and columns of data. It is commonly used in data analysis and manipulation, as it allows for easy organization and manipulation of data.

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  • 19. 

    To access subset of a dataframe we can use loc() method.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the loc() method is used to access subsets of a dataframe in pandas. It allows us to select rows and columns based on labels or boolean conditions. This method is particularly useful when working with large datasets and needing to extract specific data for analysis or manipulation.

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  • 20. 

    The value NaN/NAT/None are the same in Pandas.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    In Pandas, NaN (Not a Number), NAT (Not a Time), and None are all considered as missing or null values. Therefore, they are treated as the same value in Pandas. This means that operations and comparisons involving NaN, NAT, or None will yield the same results. Hence, the statement "The value NaN/NAT/None are the same in Pandas" is true.

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  • 21. 

    The all() and any() functions are used to check if all or any item is non zero, not-empty, or not false.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the all() function returns True if all items in an iterable are true, while the any() function returns True if at least one item in an iterable is true. These functions are commonly used to check the truthiness of multiple values in a concise and efficient way.

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  • 22. 

    Which of the following commands is used to install Pandas?

    • A.

       pip install python-pandas  

    • B.

      Pip install pandas

    • C.

      Python install python

    • D.

      Python install pandas

    Correct Answer
    B. Pip install pandas
    Explanation
    The correct answer is "pip install pandas". This command is used to install the Pandas library in Python. "pip" is a package manager for Python that allows users to easily install and manage software packages. By using the "install" command followed by the package name "pandas", the user can download and install the Pandas library onto their system.

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  • 23. 

    A two-dimensional labelled array that is ordered collection of columns to store heterogeneous data type is:

    • A.

      Series

    • B.

      NumPy array

    • C.

      Data Frame

    • D.

      Panel  

    Correct Answer
    C. Data Frame
    Explanation
    A two-dimensional labelled array that is ordered collection of columns to store heterogeneous data type is called a Data Frame. Data Frames are commonly used in data analysis and manipulation tasks in Python, particularly in the pandas library. They provide a convenient way to organize and manipulate data, allowing for easy indexing, filtering, and aggregation operations.

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  • 24. 

    In a data frame axis -0 is for

    • A.

      Columns

    • B.

      Rows

    • C.

      Rows and Columns both

    • D.

      None of these

    Correct Answer
    B. Rows
    Explanation
    In a data frame, axis -0 refers to the rows. The axis parameter in pandas allows us to specify whether we want to perform an operation along the rows or columns of a data frame. By setting axis = 0, we indicate that we want to operate along the rows. Therefore, the correct answer is rows.

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  • 25. 

    Which attribute of dataframe is used to perform the transpose operation on a dataframe?

    • A.

      T

    • B.

      Ndim

    • C.

      Empty

    • D.

      Shape

    Correct Answer
    A. T
    Explanation
    The attribute "T" is used to perform the transpose operation on a dataframe. This attribute returns the transpose of the dataframe, which means it switches the rows and columns of the dataframe.

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  • Current Version
  • Apr 04, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 08, 2020
    Quiz Created by
    Suma
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