Bozeman Science
AP Bio - Final Review
Paul Andersen answers over 500 questions from 39 states and 20 countries. Good luck on the AP Biology exam. Chapters View all AP Biology 0:05 Table of Contents 0:56 Test Statistics 4:51 Test Strategies 10:54 Labs 15:06 Cell Communication...
Bozeman Science
Statistics for Science
Paul Andersen introduces science for the science classroom. He starts with a brief description of Big Data and why it is important that we prepare future scientists to deal intelligently with large amounts of data. He explains the...
Crash Course
Z-Scores and Percentiles - Crash Course Statistics
Today we’re going to talk about how we compare things that aren’t exactly the same - or aren’t measured in the same way. For example, if you wanted to know if a 1200 on the SAT is better than the 25 on the ACT. For this, we need to...
Crash Course
T-Tests A Matched Pair Made in Heaven - Crash Course Statistics
Today we're going to walk through a couple of statistical approaches to answer the question: "is coffee from the local cafe, Caf-fiend, better than that other cafe, The Blend Den?" We'll build a two sample t-test which will tell us how...
Bozeman Science
Student's t-test
In this video Paul Andersen explains how to run the student's t-test on a set of data. He starts by explaining conceptually how a t-value can be used to determine the statistical difference between two samples. He then shows you how to...
Crash Course
How P-Values Help Us Test Hypotheses - Crash Course Statistics
Today we're going to begin our three-part unit on p-values. In this episode we'll talk about Null Hypothesis Significance Testing (or NHST) which is a framework for comparing two sets of information. In NHST we assume that there is no...
Crash Course
Measures of Spread - Crash Course Statistics
Today, we're looking at measures of spread, or dispersion, which we use to understand how well medians and means represent the data, and how reliable our conclusions are. They can help understand test scores, income inequality, spot...
Bozeman Science
Standard Deviation
In this video Paul Andersen explains the importance of standard deviation. He starts with a discussion of normal distribution and how the standard deviation measures the average distance from the mean, or the "spread" of data. He then...
Crash Course
Confidence Intervals - Crash Course Statistics
Today we’re going to talk about confidence intervals. Confidence intervals allow us to quantify our uncertainty, by allowing us to define a range of values for our predictions and assigning a likelihood that something falls within that...
Bozeman Science
Standard Error
Paul Andersen shows you how to calculate the standard error of a data set. He starts by explaining the purpose of standard error in representing the precision of the data. The standard error is based on the standard deviation and the...
Crash Course
The Normal Distribution - Crash Course Statistics
Today is the day we finally talk about the normal distribution! The normal distribution is incredibly important in statistics because distributions of means are normally distributed even if populations aren't. We'll get into why this is...
Crash Course
The Shape of Data Distributions - Crash Course Statistics
When collecting data to make observations about the world it usually just isn't possible to collect ALL THE DATA. So instead of asking every single person about student loan debt for instance we take a sample of the population, and then...
Crash Course
Test Statistics - Crash Course Statistics
Test statistics allow us to quantify how close things are to our expectations or theories. Instead of going on our gut feelings, they allow us to add a little mathematical rigor when asking the question: “Is this random… or real?” Today,...
Curated Video
What is Six Sigma? ...and DMAIC
Motorola introduced the idea of Six Sigma to reduce defects, and match the quality standards their competitors were able to achieve. So, what is Six Sigma? Originally, Six Sigma was a metric for a quality standard. Now, it is much more....
Curated Video
What is a PERT Chart? Project Management in Under 5
When it comes to project planning and estimation, there are a few 'go-to' tools that every project manager should know, and one of them is the PERT Method. So, what is a PERT Chart?
Curated Video
Mean Absolute Deviation MAD | 6.SP.3
Welcome to Math Defined! In this video, we're diving into the world of Mean Absolute Deviation (MAD) and exploring its importance in understanding data variability. Join us as we break down this fundamental statistical concept in a way...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Pairs Trading Intuition
Here, we will gain an intuitive understanding of pairs trading, including the underlying concept, rationale, and potential advantages of this popular trading strategy. This will equip us with the foundational knowledge to implement pairs...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Mean Reversion Test
In this video, we will conduct a mean reversion test as part of the sanity check for our pairs trading strategy with ChatGPT. We will understand the concept of mean reversion and its relevance in pairs trading, and techniques and...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Returns, Log Returns, Cumulative Returns
Here, we will gain a comprehensive understanding of different returns used in pairs trading, including simple, log, and cumulative returns, and how these metrics are calculated and interpreted in the context of evaluating the performance...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - The Initial Prompt
In this video, we will create an initial prompt to engage with ChatGPT for pairs trading, including specific inputs, queries, or instructions to the language model for an interactive and iterative analysis process for effective pairs...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Pairs Trading Test
In this video, we will conduct a pairs trading test to validate the performance and effectiveness of our strategy with ChatGPT into specific techniques and statistical tests to evaluate the performance of our pairs trading strategy with...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Correcting the Z-Score Computation
In this video, we will examine the computation of the Z-Score, a critical statistical metric used in pairs trading. You will learn to correct potential inaccuracies/inconsistencies in the Z-Score calculation, ensuring that the...
Curated Video
Introduction to FinTech Using R - First Course in Asset Pricing
In this video, we will look at how to create an ASP.NET Core API project with Visual Studio 2022 using an ASP.NET Core web API template. This clip is from the chapter "Asset Pricing" of the series "Introduction to FinTech Using R".This...
Curated Video
Introduction to FinTech Using R - How to Time Stock Market
In this video, you will learn how to time the stock market and will focus on the coding aspect of how the algorithm is designed. This clip is from the chapter "Stock Market Timing" of the series "Introduction to FinTech Using R".In this...