# U3L8 - Processing Data in a System

**URL:** <https://forum.code.org/t/u3l8-processing-data-in-a-system/41245>\
**Category:** AI Foundations\
**Created:** [September 8, 2025, 2:27am UTC](https://forum.code.org/t/u3l8-processing-data-in-a-system/41245 "2025-09-08T02:27:54Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jjones1](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.code.org/jjones1/32/9018_2.png) [@jjones1](https://forum.code.org/u/jjones1)\
**Post date:** [September 8, 2025, 2:27am UTC](https://forum.code.org/t/u3l8-processing-data-in-a-system/41245/1 "2025-09-08T02:27:54Z")

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Does anyone have a more detailed answer key than the one provided? It only has information on Scenario A. I would like to know more details about Scenarios B-H so that I can better guide students as I circulate while they work with the library data set.

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**Author:** ![williamse](https://avatars.discourse-cdn.com/v4/letter/w/3be4f8/32.png) [@williamse](https://forum.code.org/u/williamse)\
**Post date:** [December 1, 2025, 7:27pm UTC](https://forum.code.org/t/u3l8-processing-data-in-a-system/41245/2 "2025-12-01T19:27:04Z")

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I would also like detailed instructions on how to properly use filter and aggregation.

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**Author:** ![mkmietowicz](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.code.org/mkmietowicz/32/6322_2.png) [@mkmietowicz](https://forum.code.org/u/mkmietowicz)\
**Post date:** [December 2, 2025, 5:45am UTC](https://forum.code.org/t/u3l8-processing-data-in-a-system/41245/3 "2025-12-02T05:45:33Z")

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I can flag this request for the Curriculum Team!

–Michael K.