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What is the primary purpose of basic statistics in data analysis?

To understand and summarize data

To create visualizations.

To write complex algorithms .

To generate random numbers.

What does the np.median() function calculate?

The median of the dataset.

The standard deviation of the dataset BO

The sum of the dataset .

The mean of the dataset.

What dose the dataframe .shape attribute return

The number of rows and columns in the DataFrame

The size of the DataFrame

The number of rows in the DataFrame

The number of columns in the DataFrame.D

How do you create a bar chart in Matplotlib?

Plt.scatter().

Plt.bar()

Plt.plot().

Plt.histogram().

How do you add a legend to a plot in Matplotlib?

Plt.show_legend()

Plt.legend()

Plt.add_legend()

Plt.create_legend()

How do you filter data in a DataFrame based on a condition?

Dataframe.filter(condition)

Dataframe.apply(condition)

Dataframe[condition]

Dataframe.select(condition)

How do you calculate the mean of a dataset using NumPy?

Np.mean()

Np.median()

Np.average()

Np.std()

What does the plt.xlabel() function do?

Sets the title of the plot

Adds a label to the y-axis

Adds a label to the x-axis

Adds a legend to the x-axis

What is the purpose of the np.std() function in NumPy?

To calculate the mode of the dataset

To calculate the sum of the dataset

To find the median of the dataset

To compute the standard deviation of the dataset

How do you install Matplotlib using pip?

Install matplotlib

Matplotlib install

Pip install matplotlib

Pip install plotting

How can you read a CSV file into a Pandas DataFrame?

Pd.load_csv('filename.csv')

Pd.read('filename.csv')

Pd.read_file('filename.csv')

Pd.read_csv('filename.csv')

What is the primary purpose of Matplotlib?

Data visualization

Image processing

Machine learning.

Text processing

What is Matplotlib?

. An interactive shell

A programming language

A machine learning framework

A 2D plotting library for Python

Which library is commonly used for basic statistics in Python?

Pandas

TensorFlow

NumPy

Matplotlib

What does the dataframe.size attribute return?

The number of rows and columns in the data rame

The number of rcolumns in the dataframe

The number of rows in the dataframe

The number of elements in the dataframe

What is the purpose of the plt.show() function in Matplotlib?

To close the plot window

To save the plot to a file

To display the plot

To add labels to the plot

Which function is used to create a line plot in Matplotlib

()bar.

A. plot()

Show()

Scatter()

What does the dataframe.ndim attribute return?

The number of rows and columns in the Data Frame.

The number of dimensions in the DataFrame

The number of elements in the dataframe

The size of the DataFrame

Which of the following is used to create a scatter plot in Matplotlib?

Plt.histogram()

. plt.scatter()

Plt.bar()

Plt.plot()

Which of the following is not a valid data type in Python?

Float

Int

Char

Str

Which of the following is true about Python lists and NumPy arrays?

Lists and arrays can only store integers

NumPy arrays are more memory-efficient than Python lists

Python lists support element-wise operations

Lists and arrays are the same in terms of functionality

In a while loop, what is the purpose of the loop's condition?

It calculates the loop's execution time

It defines the loop variable

It determines when to stop or continue the loop

It specifies the number of iterations

What is the result of the expression 'np.arange(5)'?

[0, 1, 2, 3, 4]

[[0], [1], [2], [3], [4]]

[1, 2, 3, 4, 5]

What is the purpose of the dataframe.describe() method?

Remove missing values from the DataFrame .A O

Show the dimensions of the DataFrame .BO

Display the first few rows of the DataFrame .CO

Summarize the statistics of the DataFrame.D O

What is the purpose of the "import" statement in programming?

It allows you to include external libraries or modules into your code.

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