In this video the tutor explains about the standard error of the mean. He starts explaining by drawing the diagram of a distribution and now he takes ten samples from the distribution and starts plotting them. He says that in theory if we do it infinite times then we can obtain the sampling distribution of the sampling mean. For the example he takes the number of samples as 10. Now depending on these values of n we can get different sampling distributions. Now he intends to find the mean of t...
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...
They're finally here. Apple announced three new iPhone models at their "Gather Round" event in Cupertino, and they're all absolutely gorgeous phones. With bezel-less screens and polished titanium edges, the iPhone XS, XS Max, and XR are truly marvels of engineering — but perhaps the most impressive design feat Apple pulled off is the fact that two of these models are rated IP68 under the IEC standard 60529.
Texas has become the 18th state to pass a bill into law regarding autonomous vehicles, the third this month to do so.
Monitoring your blood glucose level is absolutely essential to your health if you suffer from diabetes. You need to keep track of your blood sugar or you could be in danger. This video tutorial will show you the proper way to use a blood glucose meter and give you helpful tips on getting the most out of them.
A rough definition of standard deviation is that it is a measure of expressing the observed variations about the average in statistical data i.e. by how much do the observed values vary from the mean. This video continues from the previous solved example and demonstrates the mathematical interpretation of the standard deviation that was calculated. We begin with stating the mean and standard deviation values and then calculating the upper and lower bounds of the data based on the standard dev...
This video shows the proper way to sharpen chef's knives. Chef Leigh Hudson prefers using synthetic Japanese water stones. He shows how to soak three stones; the first a 400-800 grit stone, the second stone is a 1000 grit stone and the third stone is a 3000 grit stone. The 3000 grit stone is the final process and is as smooth as glass. He explains the different angles needed for the various stones and what the knife could look and feel like at each stage of the process. He also demonstrates a...
Jazz music, along the lines of jazz greats like Coltrane and Thelonius Monk, is usually associated with the piano and the sax (as well as backup clarinets, oboes, etc.). But an equally fit instrument for playing jazz tunes is the acoustic guitar, which offers a light contrast to the larger, deeper toned instruments.
Learn how to do the standard skills in Fifa 09, it looks like every player in the game can do these. These are special tricks, but they are necessary if you want to play online or ever score. This includes a foot flick, slide tackle, 360 roulette and reverse stopovers.
In this ASP.Net video tutorial, Chris Pels will show how to use nested master pages to create individual master pages that represent different standard content layouts for a web site. First, see how several major commercial web sites use a standard set of content layouts. Next, see how to nest a master page within another master page, and use the design time support in Visual Studio 2008. Then, learn the considerations for establishing a “page architecture” which represents the major types of...
If you'd like to have a rose tree, or rose 'standard' as opposed to a rose bush, this video will show you what to do. You'll need some pruning shears and of course, a rose bush. This video is really helpful in instructing what to look for when you're trimming, and what branches to take and leave in order to avoid your rose treasure getting a disease. A rose tree by any other name would smell the same, but it would be called a rose standard. FYI.
You don't need a high definition television to take advantage of AppleTV! This tutorial shows you how to set up your Apple TV to function with a standard definition television set. You'll need an HDMI to DVI cable anda VGA to DVI adapter, and use the yellow composite video cords. Then adjust your settings, and you're ready to start watching your new Apple TV!
An untuned guitar can be huge setback for a lot of players. Get your guitar in tune and get that song sounding right with help from this tutorial on how to tune your guitar to standard tuning.
Learn how you can do standard push ups with this fitness tutorial. Push ups are a great exercise that builds muscle in your arms, chest, and back. Watch this how to video and you can get in shape with standard push ups.
After months of waiting, the iPhone 11 is here. At an event in Cupertino, Apple unveiled the iPhone 11, 11 Pro and 11 Pro max. You probably have a lot of questions after reviewing the specs sheet, including wanting to know more about the IP68 rating that all three phones have. We're here to clarify.
The Vertex Form of a Quadratic Equals Vertex Form = F(X) = a(X-H)^2 +K (H,K) = Vertex, and the standard form equals f(x) = ax^2 + bx + c. This video explains how you switch from the vertex form to the standard form.
Watch this video to learn a clever trick for turning the standard neck strap from your Canon DSLR into a hand/ shoulder strap. Carry your camera more comfortably once you've seen this video and put the knowledge you gain to use.
This video presents a basic introduction to SPL (Standard PHP Library) in PHP programming. You'll be dealing with itertators, which will allow you to loop through operations. This is a basic intro, but gives you a good idea of what you'll be dealing with.
In this tutorial, we learn how to make a standard blanket from crocheting. First, you will start your crochet by positioning the material into your hand. Then, you will need to tuck in between your ring and middle finger and around the others. The fingers will control the tension in the string. Now, start the first stitch by rotating the string around the finger. Then, grab the back one and pull it over the front. Use your finger to pus up and then you have your first stitch. put it on your h...
The coils in your car's engine can cause a lot of misfires if they aren't working properly. If you want to test them and don't have any expensive professional equipment like a labscope, watch this video to learn an easy way to test coils.
This video tutorial is in the Education category which will show you how to calculate standard deviation with TI graphing calculator. First you got to enter the data in to the calculator. Go to stat and click on enter. This will edit a list. Now you type in these numbers: 50, 20, 33, 40 and 55. Then press stat and click on enter. This will bring up the 1-var stats page. Press the "2nd" button and L1, because all our data is in L1. Click on enter and you will get all the data that you will nee...
In this video tutorial, we learn how to group recorded programs on a standard TiVo digital video recorder or DVR. For more information, including a complete overview and detailed, step-by-step instructions, watch this home-theatre how-to guide from the folks at CNET.
In this tutorial, we learn how to replace the internal hard disk drive in a standard PC laptop. It's an easy process and this video presents a complete guide. For more information, including a full demonstration and detailed, step-by-step instructions, watch this helpful home-computing how-to.
In this tutorial, we learn how to find the standard deviation with the Z-Score formula. First, take your problem and write it out one by one underneath each other. Then, you will need to substitute the numbers in for the variables that are in the problem. Once you do this, you will follow the basic rules of math to find out what the answer to the problem is appropriately. Once you have done this, finish off the problem to find the answer, then you will have found the standard deviation using ...
If you're driving a commercial vehicle or doing a lot of driving for a company, there are ways to claim deductions on your tax return for actual vehicle expenses. In this video you will learn how to calculate your standard mileage rates to determine how much you will be getting on your tax refund if your employer is not reimbursing you for gas or if you're running a small business.
Learn a build order for StarCraft 2: Wings of Liberty! This video will show you gamers some build orders for the Zerg or Terran. See the standard 10 spawning pool build order. This build order is especially effective because you can get 6 Zerglings so fast, to harass the opponent's economy. This is especially effective if the opponent scouts your build late.
Installing and maintaining properly functioning brakes is one of the most important mechanical parts of keeping your bike working safely. This video features a professional bike mechanic setting up an international standard, or IS, brake caliper on a mountain bike.
A standard tile cutter will cut ceramic and porcelain tiles but not natural stone tiles. To use the standard tile cutter adjust and lock the guide. Then, slide your tile into position in the tile cutter. Next, position your cutter on the edge of the tile. Push down on the cutter while sliding the cutter across the tile. When the cutter gets to the end of the tile, press down. The tile should then break into two smooth, clean pieces. Run a tile file over the edge of the tile to reduce the shar...
Here you'll be shown how to take the equation of a circle, and convert it into standard form. Also, it will be explained just what standard form is, while running through the process of conversion. You'll be able to use techniques to quickly work off the numbers on the equation, one by one, until it's simplified enough to understand. Complicated algebra functions become much simpler when you see these easy to use techniques, that will help you rearrange the equation into a form that is actual...
This informative video from ClearTechInfo.com will show you how to quickly and easily test the download and upload speeds of your internet connection, using a safe and easy to use website testing utility from speedtest.net, explaining what the results of the test mean to you. Also, they take the time to show you the links so that you can share the results of your test with your friends, by posting a link in a forum, or linking to a picture of your test results.
ClearTechInfo live up to their by offering clear and concise information on how to manage user account settings in the new OS from Microsoft, Windows 7. Begin by pressing the start button and going into the control panel. In here look for 'user accounts and family safety', open it. Now go into user accounts and then manage another account. If you are the administrator then you can change whichever setting you want for whichever account but if you're just a standard user you can only alter you...
New windshield wiper blades can be tough to install, but maintaining them is critical for safe driving in bad weather.
In this video tutorial, Chris Pels will show how to make standard HTML elements in an .aspx page accessible from server side code so they can be used in page processing like a standard ASP.NET server control. First, see how the addition of a runat=”server” attribute to a standard HTML control like a div allows it to be referenced in server side code with full Intellisense. Next, see several examples of how you might manipulate HTML elements on a page with this technique. Lastly, see how this ...
This 3ds Max video tutorial will show you how lighting, like omnilights, mental ray rendered lights, skylights, and many more, can make the difference between amateur and pro. Take some time to learn the standard lights as digital modelers/sculptors/animators.
This two part video goes over the procedure for testing and inspecting lead acid batteries. A machine is required to test the battery itself. You can do the visual test at home, and then bring it to an auto parts store for the machine test part.
Learn to execute a standard Jiu Jitsu neck crank also known as a can openner. This technique can be used as a submission or to break someone's closed guard.
Safe motorcycle riding requires knowledge and skill. Testing two-wheel vehicle operators is the best measurement of the skills necessary to operate safely in traffic because people often overestimate their own abilities.
Learn the fingerpicking technique for a basic blues riff
The Wizard101 Test Realm. You can play in it, but beware of scammers, beggars, and spammers! There's nothing worse than getting bombarded with these annoying requests.
This is part of the How To Big Wall Book. In this segment Chris McNamara demonstrates bounce testing when leading. Bounce testing is important because it gives you a margin of safety with placements. You can confidently climb and move faster for the better climb. You can bounce test with your feet.
