#10. Descriptive Analysis: What do we get from understanding distributions of data
In this episode, we take a deep dive into distribution analysis — a critical concept in descriptive analytics that helps us understand how data is spread, not just where its average lies. We explore the most common types of statistical distributions, where they appear in real-world processes, and the practical methods used to identify them.
This discussion also ties directly back to the previous two episodes in the series, where we explored the concepts of averages, standard deviation, and outliers. All of these ideas are connected to the same fundamental problem: understanding the true character of a dataset. An average tells us what value we might typically expect, standard deviation reveals how much variation exists around that value, and distribution analysis helps us understand the overall shape of the data that produces those patterns.
Understanding the shape of a distribution changes how we interpret averages and what we should expect from a system. In maintenance, finance, healthcare, and many other fields, recognising the underlying distribution can reveal risk, variability, and hidden patterns that a simple average cannot show.
A quick warning: parts of this episode do become a bit technical when discussing how distributions are selected and identified. Don’t be intimidated. These concepts will be explored in more detail in later episodes — think of this episode as laying the groundwork for deeper analytical tools as the series progresses.
20 Mar 2026
#9. Descriptive Analysis: The dreaded Standard Deviation
An average tells us the center of the data — but it doesn’t tell us how reliable that number really is.
In this episode, we explore variance and standard deviation, two fundamental concepts in descriptive analytics that reveal how much data varies around the mean. A dataset with a small standard deviation behaves consistently and predictably, while a larger one signals volatility, uncertainty, and potential risk.
We unpack the mathematical logic behind these measures and explain why variance forms the foundation, while standard deviation translates variation back into practical units we can understand.
Using examples from finance, healthcare, and industrial maintenance, we show how measuring variation helps professionals detect unstable processes, identify early equipment faults, and understand inconsistent human performance.
Because in analytics, the average is only part of the truth — the real story lives in the variation.
12 Mar 2026
#8. Descriptive Analysis: What the average really means
In this episode, we move into the analysis stage of the analytics process, beginning with descriptive analytics.
One of the most fundamental tools in descriptive analysis is the average. But what does an average really represent? In this episode, we unpack the idea of an average as our best estimate of a typical value when limited information is available.
We also explore the common traps of relying on a single average and how it can hide important variation within the data.
28 Feb 2026
Turning Data into Value
Turning data into measurable organizational value through strategic alignment and capability development.
This episode is based on a talk had with business students at Henley Africa.
18 Feb 2026
Data Sourcing and Preparation with ETL
This episode explores the ETL concept. It is used to connect the analysis tool to the data source and automated the flow of data to produce consistent quality data.
11 Jul 2024
#5. Planning a Data Project for confirmatory data analysis
The planning phase of a data project begins with forming a series of hypotheses, i.e., questions to confirm. A helpful way is to brainstorm the various ways in which a problem can manifest. We introduce mind maps to visualize the problem and the related measures to look at. Confirmatory analysis will be used at a later to confirm if the hypotheses are valid in contributing to the problem. The main purpose of this phase is to generate a series of items to analyze.
7 Jul 2024
#4. How to craft Wisdom Questions
In this episode we discuss how to ask questions that deliver actionable insights that are useful for decision making.
24 Jun 2024
#3. The Analytics Process
In this episode, we dive into the data analytics process, breaking down the journey from problem identification to actionable insights into five essential steps.
24 Jun 2024
#2. The different levels of analysis
In this episode, we explored the four levels of data analytics: descriptive, diagnostic, predictive, and prescriptive. Descriptive analytics helps us describe what's happening, like analyzing sales reports. Diagnostic analytics asks why things are happening, looking at factors influencing trends. Predictive analytics predicts the future based on past data, such as predicting employee performance when hiring. Finally, prescriptive analytics gives recommendations on what to do next, like how airlines use pricing strategies. Join us next time as we continue exploring data literacy!
24 Jun 2024
#1. What is Data Literacy Anyway?
In this episode, we explore the concept of data, from ancient forms like cave drawings to modern digital formats such as pictures, emojis, and social media posts. We discuss how digitization has revolutionized data handling and why data literacy is essential in today's information age. Join us as we uncover the value of data and its significance in our daily lives.
23 Jun 2024
Data Literacy for Problem-Solving (Trailer)
Contact Data Literacy for Problem-Solving
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