English speaking practice for Data Analyst interview case study

What you’ll practice

Explain your analytical thinking out loud: define metric, test hypothesis, and present recommendation.

Questions

• Which metric would you check first and why?
• What assumptions might bias your analysis?
• How would you explain this finding to a non-technical manager?

Useful phrases

• “I would start by validating data quality before interpretation.”
• “This correlation does not automatically imply causation.”
• “The business implication is…, so I recommend…”

Mini role-play

Interviewer: “Why did conversion drop?” You: “I would segment by channel and device first, then compare funnel step-offs week over week.”

FAQ

How do I avoid sounding too technical?

Translate each metric into business impact in one sentence.