bench: update random value generation

[hrshya]

Resolves none .

Description

What is the purpose of this pull request?

This pull request:

• Refactors random number generation in JS benchmarks for the stats/base/dists/studentized-range/* packages.
• Replaces uniform() from @stdlib/random/array/uniform for cleaner and more consistent code.
• Moves the random number generation outside the benchmarking loops.
• Refactors to use string interpolation.

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves no related issues.

Questions

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No.

Other

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No.

Checklist

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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/dists/studentized-range/cdf	$\color{red}649/709$ $\color{green}+91.54%$	$\color{red}68/85$ $\color{green}+80.00%$	$\color{green}9/9$ $\color{green}+100.00%$	$\color{red}649/709$ $\color{green}+91.54%$
stats/base/dists/studentized-range/quantile	$\color{red}539/569$ $\color{green}+94.73%$	$\color{red}66/81$ $\color{green}+81.48%$	$\color{green}5/5$ $\color{green}+100.00%$	$\color{red}539/569$ $\color{green}+94.73%$

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

[stdlib-bot]

PR Commit Message

bench: update random value generation

PR-URL: https://github.com/stdlib-js/stdlib/pull/9923

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

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

[Planeshifter]

@kgryte This PR changes the benchmark string from :factory to ::factory. This seems correct given the latest discussion we had, since we are not measuring the performance of .factory, but the generated function. However, this does imply that we should update all benchmarks in stats where we have benchmarks with factory methods to use ::factory instead of :factory, as we to my knowledge never test the performance of the factory methods themselves.

[kgryte]

@Planeshifter Agreed.