feat-fix: calculate statistics median correctly

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 71.68%. Comparing base (997c114) to head (b412317).

Files	Patch %	Lines
src/benchmark/summarizer/first-phase/process.ts	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #827 +/- ## ========================================== - Coverage 71.69% 71.68% -0.01% ========================================== Files 201 201 Lines 7243 7244 +1 Branches 1122 1224 +102 ========================================== Hits 5193 5193 - Misses 1693 1694 +1 Partials 357 357 ```

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[EagleoutIce]

This pull request is included in v2.0.2 (see Release v2.0.2 (Fixing Control-Flow, Markdown-Exports, and Handling of Unnamed Closures)).