Data Analysis Questions

Data Analysis Questions

University

24 Qs

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Data Analysis Questions

Data Analysis Questions

Assessment

Quiz

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University

Practice Problem

Medium

Created by

Yashwanth S

Used 5+ times

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24 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is a class in Python?

A blueprint for creating objects

A built-in Python function

A module in Python

A method inside a function

2.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Which of the following is true about inheritance in Python?

A class can only inherit from one parent class.

A subclass cannot override methods of the parent class.

A subclass can inherit attributes and methods from a parent class.

Inheritance is not supported in Python.

3.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is the purpose of exploratory data analysis (EDA)?

To build machine learning models

To perform initial investigations on data and discover patterns

To visualize data for presentations

To clean and preprocess data

4.

MULTIPLE CHOICE QUESTION

20 sec • 10 pts

How do you create an instance of a class Car?

my_car = Car

my_car = new Car()

my_car = Car()

my_car = Car.new()

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is the importance of understanding unique values in categorical columns during EDA?

It helps in building machine learning models

It helps in visualizing data distributions

It indicates the presence of outliers


It provides insights into the diversity of data

6.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Which library is commonly used for data analysis and manipulation in Python?

TensorFlow

Pandas

Matplotlib

Scikit-learn

7.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

What is the purpose of data cleaning in data preprocessing?

To remove outliers and noise from the data

To perform statistical analysis

To summarize the data

To visualize the data

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