docs: improve examples of stats/base/dists/chisquare namespace

[kohantikanath]

Resolves: #1619

Description

What is the purpose of this pull request?

This pull request:

• Improves the README examples for the stats/base/dists/chisquare namespace package
• Provides a more comprehensive and informative example demonstrating various functionalities of the package
• Enhances user understanding of how to use the namespace contents

Related Issues

Does this pull request have any related issues?

This pull request:

• Resolves [RFC]: Improve README examples for stats/base/dists/chisquare namespace package [RFC]: improve README examples of stats/base/dists/chisquare namespace #1619

Questions

Any questions for reviewers of this pull request?

• The updated example covers creating a distribution object, calculating properties, evaluating probability functions, generating random samples, and calculating moments. Are there any other key functionalities that should be included?
• Is the level of detail in the example appropriate, or should it be expanded/condensed?

Other

Any other information relevant to this pull request?

• The example uses ES5 syntax as per project conventions
• An additional package (@stdlib/math/base/special/round) was used to improve readability of the output

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.
• Searched for existing issues and pull requests before creating this one.
• Updated the example code block in the "Examples" section of the README.
• Ensured the example follows existing project conventions (ES5 syntax).

[kohantikanath]

Hi @Planeshifter,

Could you please review the code? I have raised a PR.

[Planeshifter]

/stdlib merge

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/chisquare	$\color{green}168/168$ $\color{green}+100.00\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}0/0$ $\color{green}+100.00\%$	$\color{green}168/168$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[stdlib-bot]

PR Commit Message

docs: improve examples of `stats/base/dists/chisquare` namespace

PR-URL: https://github.com/stdlib-js/stdlib/pull/2678
Closes: https://github.com/stdlib-js/stdlib/issues/1619

Co-authored-by: Kohantika Nath <kohan.nath@gmail.com>
Co-authored-by: Philipp Burckhardt <pburckhardt@outlook.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Please review the above commit message and make any necessary adjustments.