Data and AI

Statistics for Business Decisions

Apply genuine statistical reasoning to real business questions, without a full academic statistics course

12h4 lessonsTier 2 hireabilityTier 2 certificate

What you'll be able to do

You can apply descriptive statistics, understand distributions and variability, run and correctly interpret basic hypothesis tests, and recognise common statistical reasoning errors in real business contexts.

Job titles this qualifies you for

Data AnalystBusiness Intelligence AnalystInsights Analyst
Market intelligence
Demand
High
Remote
78% remote roles
Nigeria salary
Not a primary local hiring category
Remote (USD)
$45,000–$65,000/year for entry-level remote roles; $62,500–$97,000/year broader remote market range; top earners (90th percentile) around $120,500/year

Lessons

Stage 1 — Foundation
1
Descriptive Statistics and Distributions
35 min
2
Correlation and Avoiding Causation Errors
30 min
Stage 2 — Applied
1
Hypothesis Testing Fundamentals
40 min
2
Avoiding Common Statistical Reasoning Errors
25 min
Tier 2 Proof Submission

Statistics for Business Decisions Portfolio

Demonstrate genuine descriptive statistics judgement, correlation/causation discipline, hypothesis testing understanding, and recognition of common reasoning errors.

1.A mean-versus-median explanation for an outlier-affected order-value dataset
2.A confounding-variable scenario with the correct study type needed for causation
3.A plain-language p-value explanation and an explanation of the early-stopping error
4.A survivorship-bias scenario with a correction approach
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