Want to find the value of a t-statistic confidence interval for a small sample? This clip's your ticket. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.
In this tutorial, we learn how to do interval cardio training. Start off on the treadmill going at a pace that is easy for you. Increase the intensity of the treadmill every two minutes. After two more minutes go back to normal. Continue doing this raising your intensity each time you start a new two minutes. You can increase it by doing a higher speed, higher incline, or anything else. When you feel like you can't do anymore, log what speed or intensity you were at. Continue to do this exerc...
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 84th installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma is NOT known using the Descriptive Statistics data analysis add-in.
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 81st installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma (population standard deviation) is known. See how the CONFIDENCE and NO...
This video shows you how to do interval exercises to build muscle in your legs. Darin Steen, creator of the Fat Loss Lifestyle 12-Week Body Transformation Program, shows you how to do the king of all leg exercises... The Squat! Not just any squat, the smith machine back squat. It is the most effective and safe exercise for massive leg development that you will ever see! For safety purposes make sure you use a weight belt when doing this exercise. Keep your feet shoulder width apart, squat dow...
Watch this video to learn how to burn fat doing cardio. A step by step video tutorial that will guide you through some basic instructions to help you burn fat doing high intensity interval training. Yuri Elkaim from MyTreadmillTrainer presents a very informative lesson on how high intensity training burns fat. He explains the difference between high intensity training and long cardio. Long cardio encourages you to take your time and, for example, go on a 1 to 2 hour slow bike ride. High inten...
This how to video describes how to play basic piano chords. The author begins by explaining musical intervals and how they build chords. He then shows you how to play major and minor chords and how they relate to melodic and harmonic intervals. This video is perfect for those just beginning to play piano or those who want to learn a little bit of music theory. The video itself lasts about ten minuets and provides a great base for beginning music theory.
For those interested in jailbreaking their A4 Apple devices (iPhone 4, 3GS, and 4th Gen iPod touch), a new update has been released that makes things a little easier. Unlike the previous Redsn0w iOS 6 jailbreak, the newest version, 0.9.15b1, comes with full support of the Cydia App store.
If you've seen any videos of aurora borealis, star trails, or a solar eclipse, then you're probably well familiar with time-lapse photography. Whether it's a beautiful moving landscape or a deadly natural disaster, time-lapses show us what would otherwise be hour-long recordings as short and sweet videos.
Learn how to round dates and times to a given interval in MS Excel 2010. Whether you're new to Microsoft's popular digital spreadsheet application or a seasoned business professional just looking to better acquaint yourself with the Excel 2010 workflow, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, take a look.
Cardio intervals, circuit training, plate exercises...when it comes to fitness, it seems like there's always a fancy name for what are essentially really easy yet effective strength building, fat burning, and toning exercises.
New to Microsoft Excel 2010? Looking for a few good tips and tricks? Look no further. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 7th installment in his series of Excel 2010 video tutorials, you'll learn how to use Excel's new CONFIDENCE.T function to calculate the margin of error for a T distribution confidence interval.
Watch this fine art video tutorial to learn how to draw President Barack Obama. "Today, YOU will be drawing President Barack Obama-- so grab a pencil and some paper. This video will show you step by step how to draw President Obama. Each step will be shown in two second intervals. Pause each step, as you need to."
Watch this piano tutorial to learn how to play "Apologize" by OneRepublic or the remix by Timbaland on piano. Instruction includes detailed descriptions of intervals and chords on the staff. The tips in this how-to video will help you play "Apologize" quickly, even if you are new to the piano.
Get to know Microsoft Windows Server 2008 a little better by spending some quality time with this video. Learn about the start of authority tab in DNS, which includes a number of features, including serial numbers, time to live, responsible person, retry interval and others.
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the CI for the difference between means.
Several fishing techniques are demonstrated in this video, including how to set up a trot line (where heavy, baited hooks are set at intervals along a tree branch) and a bank line (a line set up along the bank of the lake or river).
Want to make a time schedule in Microsoft Excel partitioned into perfectly regimented 15-minute intervals? It's easy, provided you know how to go about it. And in this Excel tutorial from ExcelIsFun, the 543rd installment in their series of Excel magic tricks, you'll learn how to do just that using the Fill Handle. For a complete walkthrough, watch this Microsoft Office how-to.
This free guitar video lesson is all about harmony and melody. It goes over how to create dual guitar harmonies, using thirds and other intervals. The goal of this lesson is to teach you how to take any melody and harmonize it. For more, or to get started harmonizing your own favorite melody lines, take a look!
Medicine balls have been used for strength training for thousands of years. Athletes in many sports can attest to their value. Learn how to use a medicine ball in this exercise tutorial. When exercising with a medicine ball you should intensify with faster reps, choose a safe weight, work upper body, and attempt 30-second intervals.
Pete Sears guides you through different modes of playing the piano or keyboard. These refer to the step pattern intervals between the notes when playing a scale.
Warm up those fingers and get ready to practice! Here Pete Sears teaches you about playing nine chords and intervals. The second video continues with variations on practicing the C9 chord.
Ever feel like you're receiving notifications way too late on your Android device? Many Android apps use Google's Cloud Messaging service to send and receive notifications, including Hangouts, Gmail, Pushbullet, Facebook, and even WhatsApp to an extent.
Stress, migraines, headaches, sounds like life to me. When life gets too fast and stressful for us, you may think that you do not have the time, or the money, to get a professional massage, or take care of ourselves. But it's easier than you think, with these amazingly relaxing videos you will learn various holistic solutions to some of the most common problems such as stress, migraines, and headaches through self-massage and tense release techniques.
1 in 9 women will get breast cancer at some point in their lives, and at least a third of women will not self-check their breasts. Early diagnosis is essential in treating breast cancer, and that’s where monthly self-checks come in. If you’re not sure where to start – don’t worry! Dr Dawn Harper’s guide will give you advice on exactly how to self-check your boobs. Watch this video tutorial and learn how to self examine breasts for any lumps or possible cancer.
Self-working card tricks are the easiest and most intuitive to perform, requiring no sleight of hand at all and relying instead on math. In this video you'll learn how to do Matching Mates, a beginner self-working card magic trick that will get your card magic up and running.
Around 1000 cases of vulval cancer are diagnosed every year in the UK, mainly in women who have been through the menopause. However, there are also a range of other vulval conditions that affect all women – highlighting how important it is to self-check your vulva. Although it may seem daunting if you haven’t self-checked before, Dr Dawn Harper’s guide will show you exactly how to conduct the check – so grab that mirror! Watch this video tutorial and learn how to perform a vulval self-examina...
Women's self defense strikes are extremely valuable in a world where women are attacked everyday. Learn self defense strikes, kicks and punches with tips from a martial arts expert in this free self defense video series.
Self-tattoo before tattooing a client: the real tattoo artist uses him- or herself as the first canvas. Watch a tattoo artist demonstrate self-tattoo methods in this free self- tattoo video series.
Snapchat is rolling out some awesome new features in their update today. The major update comes just two weeks after the company's premiere of backdrop, snap shopping, and voice clip features. They rolled out two new features this time, Multi-Snaps and the Tint Brush.
If you have any group chats going, you're surely familiar with this scenario: One person sends a picture, then, within 30 seconds or so, all other participants chime in with one-word responses like "Cute," or "Awesome." It's a social nicety, so you have to expect this behavior, but that doesn't make it any less annoying when your phone randomly beeps and vibrates ten times in a row because of it.
Imagine two stakes in your backyard. Now draw an east-west, north-south coordinate system on your lawn. Measure the east-west distance between the stakes and also the north-south distance. Take the square root of the sum of the squares of the two measurements and, voilà, you end up with the "distance" between the two stakes.
The arms are the part of the body most used by Westerners in fighting. As a result, targeting and disabling an opponents arms is a great way to end a fight quickly without the risk involved in hitting an opponent's head. This three-part video details pressure points all over the arms and various ways of striking them in order to hurt and disable your opponent, ending your engagement with limited damage to both yourself and them.
Self defense for women is a great way for women to feel safe knowing they can protect themselves. Learn some self defense moves against frontal attacks with tips from a martial arts expert in this free women's self defense video series.
Women can use a variety of basic self-defense techniques and tactics to defend themselves against attackers. Learn basic self-defense moves and techniques in this free video on women's self-defense.
A self-contained breathing apparatus allows firefighters to breathe in hostile environments. Identify the different features of a SCBA from a fire captain in this free firefighting video series about SCBA harnesses, gages, regulators, masks and more.
If you are unlucky enough to have a bike whose setup does not features a self-extracting crank, then this video is for you! It shoes you how to remove a non-self extracting crank properly as part of you normal bike maintenance. Never envy the self extracting crank kids again after you learn how to take off you non-self extracting crank yourself easily.
Looking for self defense training? Learn how to escape different grips online with this free video series about self defense techniques for women.
Over the past 5-10 years, there has been an enormous growth in 4-mallet percussion. With the rapid increase in popularity, there comes the possibility of students moving too quickly through the learning process, or not having adequate instruction. In this installment from his video tutorial series on four-mallet percussion, Gifford Howarth illustrates exercises to isolate the interval changing motion of inside and outside mallets on a mallet instrument such as a vibraphone.
If knocked to the ground by an attacker, it's important to know how to fall correctly. Learn how to do the forward fall roll and the backwards fall roll in this free video series about self defense moves for women.
