Keith M. Bower explains the meaning of mean and standard deviation. This educational video gives insight in the basics of statistics. The relations between population mean and sample mean and between population standard deviation and sample standard deviation are explained. The mean gives an idea on the central tendency. Standard deviation gives an idea about how spread out the data are. Keith also explains how these two parameters, the joint sufficient statistics, define a normal distributio...
For most automotive applications a battery needs to supply a lot of current for a short period of time to turn over the engine and get the car started. With the engine running, the car's alternator produces all the power the car needs. Thin plates inside a starting battery increase the surface area and produce this relative burst of energy. Thicker plates in a deep cycle battery provide a steady amount of current over a long period of time. Deep cycle batteries excel in reserve capacity (RC),...
Gregg Braden discusses the holographic nature of the universe, and how everything we do affects the collective consciousness or resonance of us all. Get tips from this how-to video on choices, your attitude, and spirit. Each time an individual makes a new choice, that person becomes a living bridge for all the others; that has an affect on the next person, and the next in a kind of hologram. This hologram even YOU can affect.
When wet sand along the water's edge at the beach is stepped on, it becomes partially dry in a small area surrounding one's foot. The dry patch is evident as the thin reflective film of water at the surface surrounding your foot is no longer there and has instead been drawn into the bulk of the sand beneath your foot.
There is a substantial number of helpful tools at your disposal in Microsoft Word when it comes to writing; grammar check, word count, dictionary, thesaurus, and tons more. One tool that doesn't necessarily make itself obvious is testing your document's readability. With this built-in tool, you can not only check your spelling and grammar, but also the reading level of your document.
Communication is the key to any healthy relationship, and when I say any, I mean human and non-human. Previously, one of the biggest culprits for not understanding what you meant was Siri, but now it looks like it has some competition with the new Kinect system, which can control practically everything on your Xbox One—if it can understand you.
Buying and drinking wine can be intimidating. There's so much to know, and so many ways to reveal your ignorance. If you're completely befuddled by wine and how to describe it, don't worry, you're not alone.
You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discover other devices on the same network.
Keeping data private is vital in the days of smartphones and the free-floating information they carry. Justin wrote a guide on many of the deeply hidden and sometimes concerning privacy settings in iOS 7. Now we're back to cover some of the new (and old) privacy settings in iOS 8 that you need to address right now.
Is the emoji you're using really the one you think it is? While you can use any emoji that looks like it fits what you have to say, it may have been created for a different purpose. On an iPhone, it's easy to find that purpose by retrieving the actual name of the emoji in Apple's operating system.
All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary.
Yossarian puts an end to the confusion surrounding case (the thing you wonder about when you're wavering between "I" and "me", "we" or "us", and so on). Great English grammar lesson for ESL students.
This retro informative video gives a general overview of a woman's menstrual cycle. A curious young girl asks her family questions about having a period, what's normal, what isn't, who gets one, who doesn't. While this video feels a bit dated, and eschews medical terminology, it offers some basic insight to that time of the month. Check out this video and learn how to understand the feminie menstrual cycle.
Pigs are not just pork chops, people raise, train, and put these Vietnamese pot-bellied pigs on stage. Watch this how to video to understand how pigs think and learn amazing tricks. Maybe you can train your pet pig to do amazing tricks.
In this tutorial, learn about the nuances and abilities of the HP10BII Financial Calculator and how to get it running properly and indefinitely.
Dom Famularo's infectious smile and drumming talents make him one of the most sought-after drummers and clincians in the world. In this installment from his video series dedicated to a wide variety of topics–from drum strokes to styles–, Dom discusses the finger-heavy French matched grip position.
Dom Famularo's infectious smile and drumming talents make him one of the most sought-after drummers and clincians in the world. In this installment from his video series dedicated to a wide variety of topics–from drum strokes to styles–, Dom explains the American matched grip, which, technically, resides somewhere between the French and German grips. Take a look!
Watch this educational how to video to review Ohm's Law. This math and physics concept is derived from electric motive forces, intensity of current flow and resistance values of conductor. Watch and learn more about Ohm's Law.
Growing tall is considered to the one of the many goals of both men and women. But some of you might not be genetically designed to be tall, while some might be blessed with genes that enable them to grow much more taller. If you want to grow a bit taller, you should start eating as healthy as possible, do some stretching and special growth exercises, and try to get as many hours of sleep as possible.
That soil under your feet is not just dirt. It is teeming with life that may not change as fast as we would like when challenged by global warming.
Several recent research studies have pointed to the importance of the microbes that live in our gut to many aspects of our health. A recent finding shows how bacteria that penetrate the mucus lining of the colon could play a significant role in diabetes.
Welcome back, everyone! In this lesson, I'm going to go over the use of the echo function and variables, as well as basic syntax.
Music theory is a field of study that focuses on the intricate workings and mechanics of music. Learn about guitar music theory and intervals from a professional musician in this free guitar video.
Carmen Lynne shows us how use personal numbers in numerology in this series of videos. Part 1 of 16 - How to Understand numerology personal numbers.
In this video series, watch as sports enthusiast and football fan Kenny Saylors teaches how to watch and understand the sport of American football. Learn what the different players and positions are, the different penalties, how long the game lasts, and how the field is set up.
These instructional Muslim videos will teach you how to learn the Quran easily. Watch this series of how-to videos for Islam and you will understand the Quran in no time. May allah guide us the right path.
In these music studio recording and production videos, learn how to use a 4-track reel to reel tape recorder to capture your vocals, guitar parts, drums, record songs, or even make a demo CD. Our expert will walk you through the operation of a fairly simple reel to reel machine in several steps, including the basic and advanced functions, rear components, using mics and connecting to other mixing boards, recording on four different tracks, mixdown, bouncing tracks, and final tips for masterin...
In this video series, watch as Gnobo Calypso teaches all about mystical numerology. Learn all about patterns, anthropocosmic beings, nature's flow, the sacred geometry, universal vibrations, mystical energy as Ra, Isis, Maat, and Numena, and the Age of Aquarius.
In this series of home entertainment videos, our electronics expert Tony Ramirez tells you what you need to know about Blu-ray and HD DVD players. He begins his series with a discussion of the differences between these two formats and then explains the latest advances in high definition technology.
Drummers have their choice of drum stick styles and grips and unless they know about them it is hard to know what is best for each. Learn about several of both from an expert drummer in this free video clip series.
This video helps you practice your Hebrew reading prayer book by explaining what each word and phrase means and how to say it.
If you're a Taurus, you must know your personality traits depicted by astrology and horoscopes, and if you don't know them, this video will help you understand how big of influence your zodiac sign can be. Watch and learn what a Taurus's dominant traits are and if they describe you or not.
This video describes how the cool technology of superconductors in magnetic levitation works
Have you ever heard the phrase "Pinch your shoulders together as you lift the bar of the ground"? In this fitness how-to video, Mark Rippetoe describes the isometric function of the scapula in the deadlift. Follow along and learn how to work your shoulder muscles to improve deadlifts.
Decorative concrete can turn an ordinary room into extraordinary. Watch this how to video to learn all about decorative concrete toppings and proper selection. Learn all about overlays, toppings, and resurfacing.
When notes are very high above the staff or very low below the staff, the notes become very difficult to read. This how to video explains the music theory signs 8va and 8vb. These are very easy to use and make reading music a lot simpler.
Dr. Joanne E. Gerenser discusses signs of autism that should be of concern to parents.
Dr. Stephen Langer introduces us to the thyroid gland and its important role in health.
Rich Dad, Poor Dad author presents commentary on how money can manipulate or be manipulated. Make money work for you.
Learn how to understand the Difference between Chinese ink and watercolor with Chinese paintings. There are several differences between ink and watercolor art. Learn how to spot these variations with this video tutorial from Blue Heron Arts. This tutorial shows the differences between Chinese and Western culture paintings, which is largely rooted in the use of rice paper in Chinese artwork as well as the stretching of the paper prior to painting. Additionally, different types of paints are us...
