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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()
In Python, what is the result of 3 % 2?
1.5.
2.B
1
0
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]
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
How to write a comment in python
#
What is the power in python
**
[0,0,0,0]
Np.zeros()
[1,1,1,1]
Np.ones()
What is the purpose of the "import" statement in programming?
It allows you to include external libraries or modules into your code.
NumPy what is mean
"Numerical Python".
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