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How To: Build confidence intervals & test hypotheses in Excel

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 47th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the NORMSINV function for critical values and the NORSDIST function for p-values. Compare building confidence int...

How To: Get great lower abs with floor work outs

In this video tutorial, viewers learn how to build great lower abdominal muscles. This exercise is done on the floor. Begin by lying down with your back on the floor. This exercise is called a lower leg curl with a heel press finish. Place the hands flat and palms facing the floor. Bring the feet up in a curl and extend the feet on the top of the rep. As your extend your legs, contract down on the muscles in your stomach. This video will benefit those viewers who are interested in health and ...

How To: Build a mini fridge

In order to build your own mini fridge, you will need the following supplies: a heatsink, a cardboard box, a petier unit, popsicle sticks, standoffs, an AC adapter, scissors, and on/off switch.

How To: Get ripped tricep muscles

In this video tutorial, viewers learn how to get ripped triceps muscle. The triceps are about 66% of the arm. Building the triceps adds size and dimension to the arms. This video provides 2 triceps exercises. The exercises are one-arm triceps extensions and triceps push downs. When doing the one-arm triceps extensions, extend the arm and keep it straight. For the triceps push downs, keep elbows fixed and close to the body. Flex your arms as you push the weight down. This video will benefit th...

How To: Build a gravity retaining wall

This video shows us how to build a gravity wall with Allen Blocks. In order to do this, place blocks on top of the base course. You want to make sure that the bottom notch is tight against the front lip of the blocks underneath. Sliding them into place removes any present debris. Running bond is ideal; however, if that is not possible, offset them by a quarter of a block. After making sure the blocks are straight, fill the hollow blocks (and 12 inches behind them) with wall rock. Then smooth ...

How To: Build a LEGO stroller

In this video you will learn how to build a LEGO stroller. The materials you will need are 4 of the small slanted bricks, one two by four thin brick, 3 two by 1 thick bricks, 2 one by one thin bricks, 2 one by one by four studded bricks, a small smooth brick, two odd angled smoothed bricks, 4 wheels, one one by two with dot in center bricks, and one one by two handle bricks. Then after carefully assembling the bricks as shown he will show you a example of what it will look like when you're fi...

How To: Build a fire with a Duraflame firestarter

Build a fire with a Duraflame firestarter. This video is going to show you how to do this. Crystal Whole from Duraflame is demonstrating the process in this video. First get your chimney cleaned and inspected. Keep all inflammable material at least 3 feet away from the hearth. Use dry wood that has been seasoned for at least six months. Or you can use stax logs in lieu of wood. Three stax logs are sufficient to keep the fire burning all evening. Open the flue of the chimney, put two stax logs...

How To: Build scrolling credits in Final Cut and Photoshop CS3

In this video you will learn how to build scrolling credits in Final Cut and Photoshop CS3. He begins by showing you how to do it on Photoshop CS3. He does this by having his own finished credits and the steps you need to take to set up your own. Then, he moves on to Final Cut and drags his Photoshop credits into Final Cut. He explains how it may be off a little in size, but you can readjust everything for accuracy. This is all done through his computer and with vocals.

How To: Build hot air balloon out of a garbage bag

This is a simple and easy tutorial, and anybody can build a hot air balloon out of a garbage bag by following the instructions in it. All one needs is a garbage bag, some stiff industrial wire and fire starter bars. The important thing, according to the author, is to judge how many fire starter bars will be required to make the balloon rise without melting its plastic body. First, two long wires are twisted together in the middle to make an 'X'. A smaller wire is twisted onto the middle of th...

How To: Build a movie wheel

Have you ever wondered how movies are made? There are many modern techniques available today to produce movies. This was not the scenario centuries back when there were no movies or films. The earliest form was the movie wheel and this video teaches you exactly how to build a movie wheel. The video is simple and instructive which even an elementary school kid will be able to understand. You can use this for your school science projects. This is one tutorial which will leave everyone spinning.

How To: Build a fake rock movie prop

We all know that movies now-a-days don't use real rocks, but fake rocks for their film sets. Why? Because it's safer, lighter, easier to movie, and you can design them exactly how you want them. So if you need a rock for your indie film project, make it yourself. There's nothing better than imitation. Watch this video tutorial to learn how to build a fake rock movie prop.

How To: Make a foam core skimboard

This video sequence demonstrates the process of building a rather professional looking skimboard with a foam core and wood spine. All the materials are readily available at home improvement stores. While this build might seem a bit laborious, it's a great way to customize your skimboard to suit your needs. The instruction and advice the demonstrator provides also makes the skimboarding project less intimidating. So watch this video and learn how to make your own foam core skimboard.

How To: Use controls in Little Big Planet for PS3

Get moving! Learn how to walk, run and jump your way through LittleBigPlanet. LittleBigPlanet exclusively for the PLAYSTATION 3. It lets you PLAY alone, or with friends, in a world of infinite possibilities. Run, jump, grab and swing your way thru imaginative levels and mini-games. If you're feeling creative, you can CREATE your own levels, enemies, obstacles and even storyline. Once done, SHARE them with our online community of thousands of User Generated Levels from around the world for

How To: Solo over chord changes on electric guitar

To play a guitar riff is to do more than simply to memorize a short musical phrase. Guitar riffs are like any other musical exercise; practicing them can be a terrific means of building manual dexterity and improving your overall playing technique. We can say of riffs, then, that they are not so much about rote repetition as making available to the guitarist new and different ways of playing. Every new riff you learn will make you a more able and versatile guitarist and better equip you to st...

How To: Build a beam bot twin motor robot base

This robot is BEAM bot inspired. First we build up the Motor Drive, an excellent and cheap Robot Bot-Base. We start with the Tamiya kit, get it going, then strap on a battery and a drag wheel, center the drag wheel. Tape it all in place with bright yellow tape and make a BEAM Bot with batteries. Plans for this BEAM framework are to add smarts.

How To: Use Netflix on the Nintendo 3DS to watch 3D movies and TV shows

If you want to watch all the different movies and TV episodes available to you through a Netflix subscription on the go, try installing the Netflix app for Nintendo's 3DS handheld. Even cooler, Netflix is releasing 3D movies and the device's built in capabilities will allow you to watch these 3D movies on your Nintendo 3DS! You'll need to have upgraded your 3DS software so that you can access the eShop before you can install the Netflix app.

How To: Secretly record people with your own spy sunglasses

Hack a pair of sunglasses to secretly record audio and video and spend less than $40 in the process with this how-to video. To replicate this hack for yourself, you will need a spy camera and black solar shield sunglasses. For detailed, step-by-step instructions on building your own spy recorder sunglasses, watch this hacking how-to from Kip Kay of Make Magazine.

How To: Build a crowbar prop out of foam rubber

Trying to act out a fight scene with real weapons can be dangerous, so this foam rubber crowbar is the perfect prop for theatre or film. This Backyard FX segment by Indy Mogul will guide you through making your foam weapon. So grab some rubber latex, foam, and a few other tools and start constructing your crowbar.

How To: Build a Minecraft cannon

How would like to be able to send things flying in Minecraft? Check out this helpful video to learn how to build a cannon, using stone, redstone, a pressure plate, and a couple of other common materials. It's time to blow stuff up!