computer science

SDI Tools

SDI Tools is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand SDI Tools rather than just read about it. In short: SDI Tools is a set of commercial software add-in tools for Microsoft Excel developed and distributed by Statistical Design Institute, LLC., a privately owned company located in Texas, United States. SDI Tools were first developed in 2000 by Dr.

Key takeaways

SDI Tools belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SDI Tools to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SDI Tools from memory before moving on to harder problems.

Reference excerpt

SDI Tools is a set of commercial software add-in tools for Microsoft Excel developed and distributed by Statistical Design Institute, LLC., a privately owned company located in Texas, United States. SDI Tools were first developed in 2000 by Dr. George Chollar, Dr. Jesse Peplinski, and Garron Morris as several Add-Ins for Microsoft Excel to support a methodology for product development that combined elements of Design for Six Sigma and systems engineering Today, SDI Tools are split into two main Microsoft Excel Add-Ins called Triptych and Apogee.

Application of SDI Tools SDI Tools are typically used in Six Sigma training, industry, and academic research

See also List of Six Sigma software packages

References

Illustrations

Worked examples

Example 1 — a first encounter with SDI Tools

Start with the simplest possible case. Write down what SDI Tools claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to SDI Tools before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about SDI Tools ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of SDI Tools

In research: SDI Tools appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses SDI Tools in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: SDI Tools is common in secondary-school and first-year university syllabi. It links to neighbouring topics Microsoft Office-related statistical software, Proprietary software, Windows-only software, so understanding it makes those chapters shorter.
In everyday life: Look for SDI Tools outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study SDI Tools in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SDI Tools means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain SDI Tools out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SDI Tools in simple terms?

Why does SDI Tools matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study SDI Tools?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on SDI Tools.