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**The file that used in this lecture is from the Lecture 1**
**The file used in this lecture is from the Lecture 6**
The video of this solution contains an error: Problem #2 B) the correct result is 659,159.23 which is now reflected on the Solution document.
The cause of the error was that the "Reason for Recall" category had two variations of "E.Coli O157:H7". We have removed the inconsistencies between the two reason labels in both the initial and solutions document.
Therefore, the method presented in the video is still correct, even if the result is a bit different.
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**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 9**
**The file used in this lecture is from the Lecture 17**
**The file used in this lecture is from the Lecture 17**
**The file used in this lecture is from the Lecture 17**
This lecture was added later than the bulk of the course and features another cool visualization that many people find useful: Control Charts. The lecture describes what a control chart is, how it is used, and how to create one within Excel.
The video has two errors:
1. Question (a) The box plot data uses the dosage labels (0.5, 1, etc) as data. These are data labels stored in row 5 and are not part of the data set themselves.
2. Question (b) The calculation to find out how many trials exceeded the goal was incomplete. it should be 60-29=31. Similarly, you can calculate this by changing the direction of the inequality sign.
Both of these issues have been addressed in the current solution resource.
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**The file used in this lecture is from the Lecture 22**
**The file used in this lecture is from the Lecture 22**
**The file used in this lecture is from the Lecture 22**
Get more FREE resources at: www.sixsigma-consulting.com
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**The file used in this lecture is from the Lecture 28**
**The file used in this lecture is from the Lecture 28**
I made a mistake at around ~1:00min mark in this video.
When calculating the normal distribution, I'm pulling column D which is the count of people within a grams consumed range (column F) but I speak about it as if these are the actual grams consumed!
To get the average grams consumed:
Find the range with the most number of people consuming that amount. In our example, this would be the range of 25-30g because 17 people fell within this range.
The average cannot be a range. So we would need to make an assumption. That the average of those 17 people is in the middle of 25 and 30. (30+25)*0.5 = 27.5. Would be the mean average.
This assumption isn't arbitrary either. It's a *very* cool phenomenon that statisticians use called boot-strapping. Essentially, we take a sample that is reflective of a population. It's normally distributed. This also means that a sample of the sample (in this case a sample size of 17) will also be normally distributed! So there's something here more than a midpoint formula.
**The file used in this lecture is from the Lecture 32**
**The file used in this lecture is from the Lecture 32**
**The file used in this lecture is from the Lecture 35**
**The file used in this lecture is from the Lecture 37**
**The file used in this lecture is from the Lecture 39**
**The file used in this lecture is from the Lecture 41**
**The file used in this lecture is from the Lecture 43**
**The file used in this lecture is from the Lecture 43**
Get more FREE resources at: www.sixsigma-consulting.com
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**The file used in this lecture is from the Lecture 48**
**The file used in this lecture is from the Lecture 50**
**The file used in this lecture is from the Lecture 50**
**The file used in this lecture is from the Lecture 53**
**The file used in this lecture is from the Lecture 55**
**The file used in this lecture is from the Lecture 55**
**The file used in this lecture is from the Lecture 58**
**The file used in this lecture is from the Lecture 58**
Get more FREE resources at: www.sixsigma-consulting.com
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**The file used in this lecture is from the Lecture 66**
**The file used in this lecture is from the Lecture 66**
**The file used in this lecture is from the Lecture 66**
Do you think you need to learn new software to perform data analysis, statistics, simulations? You don't! Everything you need to get started in the world of data analytics is already on your computer in the wonderful application called Excel.
This course will first acquaint you with the Excel environment including how to use simple and complex functions, hot-key shortcuts and navigation tips to make sure you work efficiently and effectively. From there, I lead you in lectures and practice exercises on the fundamental topics of data analytics.
Data Visualizations - Visualizing data is an important part in analyzing data as well as presenting and explaining what it means. Lectures in this course Included how to craft and use bar charts, line charts, radial charts, histograms, box and whisker charts, pie charts, conditional formatting and Sparklines.
Pivot Tables - Pivot Tables are very powerful, simple to use tools built into excel. The lectures will include how to structure data to get the most out of pivot tables, and then a few use cases including root cause analysis, comparative analysis, along with other visualization tools specific to pivot tables.
Statistics - The Statistics module is by far the most densely packed module in this course. As a statistician by training, I present a deep dive into the data behind the statistics and how to use different statistical tests based on different circumstances. The module is filled with different lectures and exercises involving ANOVA tests, T Tests, Chi-Squared Tests, Tests for Normality, Regression Analysis and more.
Forecasting - Organizations have to be able to anticipate the future. The forecasting tools presented in this course help us accomplish this feat. Forecasting is presented in two different ways - Factor forecasting and Time Series forecasting. For each approach to forecasting, many tools and techniques are introduced and reviewed including Regression analysis, Monte Carlo Simulation, Simple Moving Averages, and Auto-Regressive techniques.
Excel Tools - Excel has a lot of useful tools that don't quite fit neatly into any of the other modules. The last module of this course explores the use cases of using these tools. In particular, several archetypal problems are introduced and solved using the miscellaneous data analysis tools found in excel, including Excel Solver.