Verified by DataSimHQ

Analyst

Sumaya Mateen

Lead Analyst

Project

Karibu credits in the count

Kilele Mobile · Excel · Beginner

The brief

From: Wanjiru Kamau, Chief Commercial Officer

Finance will not accept a number they cannot audit in Excel, so I need the subscriber question answered in a workbook they can click through.

The extract is Kilele_Base_Extract.xlsx: the Subscribers sheet is the complete sample (40,000 rows) and Promo_Credits is every 1 KES Karibu credit we have issued (40,262 rows).

Build me: 1. A Summary sheet with subscribers by status, using COUNTIFS against the Subscribers sheet. 2. A helper column on Subscribers that flags an active subscriber with no usage in the 90 days to 2026-06-30 (last_usage_on blank, or before 2026-04-01). Count the flags. 3. A PivotTable of flagged subscribers by region and activation channel. 4. The corrected active base, as a formula that subtracts the flagged count from the…

Independent grading

91/100

Achieved 5 Nov 2026

Graded automatically against a fixed rubric for this task. Feedback and submitted work remain private to the analyst.

What is DataSimHQ?

A practice platform where analysts complete graded business tasks for simulated companies in SQL, Power BI, and Excel, and build a portfolio of proven work. Learn more