'Statistics<long>' does not contain a definition for 'Variance' and no accessible extension method 'Variance' accepting a first argument of type 'Statistics<long>' could be found (are you missing a using directive or an assembly reference?)

'Statistics<long>' does not contain a definition for 'Variance' and no accessible extension method 'Variance' accepting a first argument of type 'Statistics<long>' could be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions/setup-dotnet@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.