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How To: Construct confidence intervals with Excel's NORMSINV

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 85th installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals for proportions using NORMSINV function and other formulas.

How To: Create a quantitative freq. distribution in MS 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 24th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create quantitative data frequency distributions with pivot tables. See how to create the correct unambiguous labels ...

How To: Create a distribution for categorical data in MS 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 12th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use Advanced Filter 'Unique Records Only" to extract a list of unique items from a data base, and then use the COUNTI...

How To: Find the surface area of a pyramid with BabelMath

A pyramid is a three dimensional figure with the base in the form of a triangle and three slant sides to it. To find the surface area of a pyramid you have to find the area of the different pieces that make it up. The pyramid base can be triangle or even other geometric figure like pentagon. So first draw the base of the pyramid separately and compute its area first. Now compute the area of each sides separately. The area of each side can be same if the pyramid is a regular pyramid. Some time...

How To: Fold a paper wallet with 5 pockets

A wallet is something everyone carries around. Stand out with this wallet which you can make yourself! Start with a regular eight and a half by eleven inch sheet of paper. Fold it in half width wise. Then open it out again. Next fold the paper into fourths by folding the halves over. When you open the sheet back out you should have four equal, long rectangles. After that, take one edge of the paper and fold it over half way into one of the four rectangles. Watch the rest of the video to compl...

How To: Remove permanent marker stains from a whiteboard

In this how-to video, you will learn how to remove permanent marker sharpie marks off a whiteboard. This is useful if someone accidentally used one on the dry erase board. To erase the marks, you will need a regular dry erase marker. Color over the top of the permanent marker thoroughly with the dry erase marker. Next, take a rag and wipe the marks off the board. Both markers will come off easily. The color of the markers do not matter at all. This video shows you a simple way to deal with th...

How To: Do Sumo squats

In this video tutorial, viewers learn how to perform a sumo squat. It is the same as a regular squat, except the legs are extended more wider. The bar should be setup a little bit below your shoulder level. Go into a split stance when picking up the bar. Keep your core muscles tight and keep the bar stabilized. Spread the legs wide, pass the shoulder width. This exercise target the leg muscles and helps strengthen them. Inhale when going up and exhale when going down. This video will benefit ...

How To: Change cabin and air filters in a Honda Element

Changing your car's cabin filter and air filter is a really important part of its regular maintenance. Doing this simple maintenance task does not require a professional mechanic, so save your money and watch this video to start saving money today and changing your own cabin and air filters. This video specifically covers changing the cabin and air filter in a Honda Element. You can pick up the parts from your local Honda dealer. Typically, you should change your filters every two years.

How To: Cheat on a test with an eraser

In this video we show you how to take a normal eraser and turn it into a cheating device. As usual, we will do this by taking a common object that no one will think twice about and altering it to fit our needs. Cheating on tests is a serious offense - be careful!

How To: Walk on non-Newtonian fluid

You may remember the recipe for a basic non-Newtonian fluid from grade school science experiments (one part water to one and one third part corn flour or cornstarch), but those trials probably stopped at squeezing the mixture in your hands. While a regular fluid's viscosity wouldn't allow you to walk on it, a little bit of technique and the magic of physics will have you walking on a non-Newtonian fluid as well as Jesus. This video science experiment shows how to use 50kg of corn flour/cornst...

How To: Tie a double bowline knot

The Double Bowline has the same strength as a figure eight knot but is simpler to tie. As the rope wraps around twice, the double bowline knot is more secure than a regular bowline knot. Watch this video knot-tying tutorial and learn how to tie a double bowline knot.

How To: Save energy by checking and sealing windows

Protect your most important investment with seasonal maintenance. A regular schedule of periodic inspections and maintenance of windows can help prevent the most common, and costly, problems before they occur. Organized by season, this workshop covers topics such as repairing walkways and steps, cleaning out gutters, and checking the heating, AC and plumbing systems--everything you need to maintain your home year-round. Discover tips for checking window seals to save on heating in this how to...

How To: Crochet a small buttonhole

Watch this instructional crochet video to crochet a small button hole. The visual guidelines are accompanied with written instructions. In this delicate piece of work, it helps to test out the buttonhole to avoid backtracking. You can sew the button on to your crochet work with a regular sewing needle and a piece of yarn.

How To: Play "Baby Now That I Found You" on the violin

In this how to video you will learn the violin solo to Alison Krauss' "Baby, Now That I Found You." This is a pretty easy solo to learn for an intermediate violinist. First the solo is played slowly so you can follow the notes, then it is sped up to regular speed. With this how to video you should be able to play "Baby Now That I Found You" by Alison Krauss on the violin.

How To: Give yourself a manicure

More and more people are having regular manicures, and it's the sort of thing you can learn to do at home, This how to video shows a few simple rules that you can use to improve the appearance of your hands and nails. The basic equipment you'll need to complete the task are : A pack of cotton wool balls, some fingernail polish remover, 1 emery board, a nail trimmer, a cuticle remover, a bottle of fingernail polish, and some paper towels.

How To: Have a long distance relationship

Professional Matchmaker, Samantha Daniels gives advice about how to date someone long distance. Long distance relationships are the most difficult relationships to have because you don’t have the easy and spontaneity of a regular relationship. However, if the person is worth it, you can make a long distance relationship work. Watch and let Samantha give you some simple tips for navigating and succeeding in your long distance relationship!

How To: Process panoramic photos in Lightroom

Here’s a video on how to process your panos in Lightroom. Learn how to take those raw files and process them with a panorama in mind (it’s really a lot like processing a regular photo with just a small change at the end). We’ll process them in Lightroom and then take it through the Photomerge feature in Photoshop to finish things off.

How To: Knit with Beads

Knitting with beads is a lot like regular knitting, only you're attaching beads to your string in order to create a more pearlized look, or to add complexity to a knitted purse, flower, or hat. Adding beads is a wonderful way to switch up the old knitting routine at minimal cost and effort.

How To: Make homemade pasta dough

This is a simple recipe that just uses regular AP flour. You can, of course, use a mixture of semolina flour like many pasta recipes suggest. But, this recipe is very user friendly, and if you’ve never made your own pasta before, this would be a good place to start. By the way, those pasta machines are surprisingly affordable at your local mega-store

How To: Turn a pencil into an emergency light

You are stuck in the middle of nowhere and can't see a thing. Luckily you have pencil and your car battery. You can create 20 minutes of bright light using the graphite from a regular pencil, wired to the positive and negative of your car battery. Basically, the graphite serves as a bright filament for your emergency light. Follow along with this how-to video tutorial to learn the step by step process of turning a pencil into an emergency light.

How To: Origami a crisp and neat crane

Using crisp, neat folds, children can turn ordinary paper into origami art. See how to fold an origami paper crane. To make a paper crane, all you need is a square of origami paper. You can use regular paper, but origami paper will fold the best.