chore: address commit comments for commit 1871022 (issue #6713)

[devshree-bhati]

Resolves #6713

Description

What is the purpose of this pull request?

This pull request:

• addresses the commit comments for commit 1871022
• The range of sigma is 0.1 to 5.0, as sigma should not be <= 0. This is updated in D:\Coding\stdlib\lib\node_modules@stdlib\stats\base\dists\lognormal\kurtosis\README.md.
• This is the comment 1871022#r155591493

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves Address commit comments (commit 1871022) #6713

Questions

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No.

Other

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No.

Checklist

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

• Read, understood, and followed the contributing guidelines.

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@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/lognormal/kurtosis	$\color{green}183/183$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}183/183$ $\color{green}+100.00\%$

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

[Planeshifter]

Would you mind also updating the corresponding example in examples/c/example.c., please?