Python Basics and Libraries Quiz

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Questions and Answers

What is the primary purpose of hypothesis testing in statistics?

  • To determine the significance of predictor variables
  • To assess multicollinearity
  • To measure the variance explained by the model
  • To make inferences about a population based on a sample (correct)

In Python, what is the main focus of object-oriented programming (OOP)?

  • Creating reusable code blocks (correct)
  • Performance optimization
  • Organizing code into modules
  • Handling exceptions

Which distribution is commonly used to describe continuous random variables?

  • Poisson distribution
  • Exponential distribution (correct)
  • Bernoulli distribution
  • Binomial distribution

What does the p-value represent in hypothesis testing?

<p>Probability of observing the test statistic, assuming the null hypothesis is true (B)</p> Signup and view all the answers

Which Python library is commonly used for parallel computing tasks?

<p>joblib (A)</p> Signup and view all the answers

What is a significant advantage of employing parallel computing in Python?

<p>Improved readability of code (A)</p> Signup and view all the answers

What is a key component of Python programming that involves storing data for later use?

<p>Data types (B)</p> Signup and view all the answers

Which Python library is commonly used for creating visualizations like plots and charts?

<p>Seaborn (C)</p> Signup and view all the answers

What is the primary application area of NumPy in Python programming?

<p>Scientific computing (C)</p> Signup and view all the answers

Which of the following is NOT a fundamental component of Python programming?

<p>Arrays (A)</p> Signup and view all the answers

What role do 'if-else' statements play in Python programming?

<p>To handle exceptions (A)</p> Signup and view all the answers

In statistics, which method is commonly employed to assess hypotheses about population parameters?

<p>Regression analysis (B)</p> Signup and view all the answers

Flashcards

Hypothesis Testing

To make inferences about a population based on a sample.

OOP in Python

Creating reusable code blocks through classes and objects.

Exponential Distribution

Models the time until an event occurs in a continuous process.

P-value

Probability of observing the test statistic, assuming the null hypothesis is true

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joblib

Splits a task into multiple subtasks and executes them simultaneously .

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Parallel Computing Advantage

Allows multiple operations to occur simultaneously.

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Data Types

Methods of classifying values, determining possible values and operations

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Seaborn

Creating plots and charts for data analysis.

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NumPy Application

Array operations, linear algebra, and mathematical computing.

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'If-else' statements

Used to make decisions based on conditions.

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Regression analysis

Commonly assesses relationships between variables.

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