Mohamed A. Adel.

Phase 2 Exam — Statistics, Cleaning & Power BI

Topic 13 of 14 · In Data Analysis · September 12, 2026

⏱ 75 minAssessment

Cumulative exam for Phase 2: honest averages, spread and significance, the cleaning workflow, and star-schema Power BI with DAX.

++++FREE LEARNING PATHDATA ANALYSISDATA ANALYSIS · PHASE 2 · INTERMEDIATEPHASE 2 EXAM —STATISTICS,Cumulative exam for Phase 2: honest averages, sprea…· 2 / 3ASSESSMENT75 MINmotif / steps✓✓✓9121 · 21 · MODULE 2.4

Phase 2 Exam — Statistics, Cleaning & Power BI

This exam closes Phase 2 of the Data Analysis path — the sense-making toolkit: Statistics for Data Analysis, Data Cleaning & Preparation and Power BI.

Treat it like a real assessment: answer from memory, and read each explanation carefully. You need 70% or higher to pass the phase.

Phase 2 Exam — Statistics, Cleaning & Power BI

Answer all questions. Exam conditions: no notes, no going back, one pressure per question.

0 / 8

Question 1 of 8

A house-price report headlines 'average $287,000' but the typical home is $189,000. What is happening?

Finished? Review any question you missed, then revisit the related lessons via the hub or roadmap before moving on.