feat: add support for accessor arrays and refactor stats/base/cumin

[vivekmaurya001]

Resolves #{{TODO: add issue number}}.

This pull request:

• add accessor arrays support and refactor stats/base/cumin

Related Issues

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This pull request:

• resolves #{{TODO: add issue number}}

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No.

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• Read, understood, and followed the contributing guidelines

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/cumin	$\color{green}361/361$ $\color{green}+100.00\%$	$\color{green}34/34$ $\color{green}+100.00\%$	$\color{green}3/3$ $\color{green}+100.00\%$	$\color{green}361/361$ $\color{green}+100.00\%$

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

[kgryte]

LGTM. Just needed to tweak a couple of the comments.