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Data Analytics case 8: Trend analysis for Engineering
Scenario
You are a data professional. A water pumping utility has an issue: management asks whether vibration is rising or falling. As a Data Analyst, you are tasked to solve it.
Question
Compare the first half with the second half.
Your task
- Read the problem
- Write your solution in the editor
- Press Check my answer
- Deliverable: Trend direction with numbers
- On success it is published as its own portfolio project
Data Analytics · Problem Solving & Root Cause Analysis — question 8 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Data Analytics case 8: Trend analysis for Engineering
Compare the first half with the second half.
Your code cell is below. Press Check my answer to run the cell — the result appears as Out [1].
💡 Explain my whole code, line by line (hover any word in the editor for a tip)
🌈 In short — no coding words
Altogether: this script runs top to bottom, one line at a time, building up the answer step by step.
Dataset & schema
pump_checks
The tiny starter data. Bigger data scrolls.
Fields
| check_id | pump | vibration |
|---|---|---|
| C1 | PumpA | 3 |
| C2 | PumpB | 5 |
| C3 | PumpA | 2 |
| C4 | PumpC | 7 |
Engineering data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- First half
- Second half