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Data Analytics

Data Analytics

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Introduction to Data Analytics
Data Analytics Fundamentals: Causal Inference
Diagnosing and Investigating Metrics
Easy SQL Questions
Medium SQL Questions
Measuring Success
A/B Testing & Experiment Design
Business Health Metrics

Clarifying Questions

Let’s start by clarifying the question first. We have to specify a lot of different factors for this case study. For example, the first question we can ask involves the time frame. Was this a one-time event or a progressive movement?

A one-time event could mean that friend requests were at normal rates when it suddenly dropped 10%, whereas, a progressive

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