Distribution Scope Search Results

How To: Estimate probabilities with the empirical rule

Learn how to use the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions in statistics. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of fre...

How To: Create percent & relative freq. distributions 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 25th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create quantitative data percent & relative frequency distributions with pivot tables. Also see how to create a histo...

How To: Make distributions, ogive charts & histograms 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 22nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to create a percent (%) cumulative frequency distribution with formulas, a histogram and an ogive chart. See how to add ...

How To: Use the BINOMDIST & NORMSDIST functions in Excel

New to Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 274th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate various probabilities for a binomial distribution when there are additional complicating factors. This is accomplished with recourse to Excel's BINOMDIST, NORMSDIST, SUMIF, SUM, INDEX and MATCH functions. See also how to create th...

How To: Do water's skin or surface tension experiment

While the concepts of molecule interaction, zero force and energy states might be a little beyond an elementary school science fair's scope, the basic idea of water's capabilities and naturally prepared access to animals and insects that rely on it as a habitat is certainly worth the time. Learn how to duplicate this natural phenomenon in this free video clip series with our expert Scott Thompson as he demonstrates the occurrence of water skin or skin tension, and shows you and your children ...

News: Check Out These Awesome Mixed-Reality Movies Made with the HoloLens

Mixed reality filmmaking isn't a new concept. Disney managed to make it work in 1988 with Who Framed Roger Rabbit, but not without an enormous amount of work. We haven't seen many mixed reality films of that scope since, and perhaps that's because it's still hard to accomplish. Filmmakers don't look through a viewfinder or monitor and see the fully rendered result on screen—but that can change with mixed reality headsets like the HoloLens.

How To: Earn the "Sightseer" Achievement in BioShock: Infinite

If you haven't heard the buzz about BioShock: Infinite, then you for sure are not cool enough to read this. We've been dishing out a few of the game's achievements and trophies, and we have another ready for you guys. While this one might not be as cool as the Heartbreaker or Aerial Assassin achievements, it still needs to get done. In order to complete the "Sightseer" achievement (or trophy), you're going to need to find and use 100 percent of the telescopes and kinetoscopes throughout Colum...

How To: Find a z-score for a normal distribution in statistics

Need help figuring out how to determine a z-score for a normal distribution (or bell curve) in statistics? 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials...

How To: Compare 2 distributions with the Z-Score formula

This is a video tutorial in the Education category where you are going to learn how to compare 2 distributions with the Z-Score formula. In this example Doug's class has X bar as 71 and a standard deviation of 4. Corey's class has X bar as 68 and a standard deviation of 11. If both Doug and Corey beat the class average and have the same standard score, will Doug have a lower grade than Corey? If both of them have a standard score of 1.5, then Doug will get 77 marks and Corey will get 84.5 mar...

How To: Write a press release for local distribution

In this video, we learn how to write a press release for local distribution. First, you need to make sure you have a good headline. This will make people want to read what you have to say or toss it aside. After this, you will need to answer who, what, where, how, why, and what inside of the rest of the release. People want to know all of the details when they read something like this, so give the juicy details that are interesting and leave the boring stuff out. After you have done this, sub...

How To: Create a relative frequency 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 14th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create relative & percent & frequency distributions with formulas for categorical data. See, too, how to create a per...

How To: Use the Empirical Rule w/ standard normal distribution

In this video tutorial the instructor explains about the concepts of standard normal distribution and the empirical rule and how to use it to solve an exercise. He starts by explaining about standard normal deviation saying that in a standard normal deviation the value of mean is zero and the value of standard deviation is one. Now he draws the standard normal deviation by drawing a bell curve on an axis. Now he points the mean and standard deviations on it. Now using these concepts he goes o...

How To: Install Ubuntu Linux on an HTC Evo 4G

Looking to make your HTC Evo 4G smartphone even better? Unlock your phone's full computational potential by installing Linux on it! This video guide presents a complete, step-by-step walkthrough of the process. For more information, and to get started installing the Ubuntu Linux distribution on your own Android smart phone (without blowing out your phone's Android installation), take a look!

How To: Install Ubuntu Linux on a Nexus One or HTC Evo phone

Looking to make your Google Nexus One or HTC Evo smartphone even better? Unlock your phone's full computational potential while following in a tried-and-true geek tradition: Install Linux on it! This video guide presents a complete, step-by-step walkthrough of the process. For more information, and to get started installing the Ubuntu Linux distribution on your own Android smart phone (without blowing out your phone's Android installation), take a look!

How To: Use the CONFIDENCE.T function in Microsoft Excel 2010

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.

How To: Use MS Excel 2010's NORM.DIST & NORM.S.DIST functions

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 6th installment in his series of Excel 2010 video tutorials, you'll learn how to use the new NORM.DIST and NORM.S.DIST normal distribution functions. They have new screen tips to help you select the correct argument.

How To: Mingle

Learn how to mingle. If the idea of walking into a room full of strangers strikes fear into your heart… welcome to the club. But there are ways to overcome this common social phobia.

How To: Turn a Microsoft Windows PC into a web server with XAMPP

In this clip, you'll learn how to convert a Microsoft Windows desktop or laptop computer into a personal web server (or webserver) with XAMPP, an Apache distribution that compes preloaded with PHP and MySQL. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look

How To: Utilize iPhone "freemium" strategies to profit

With the spread of smartphones and free online games, the "Freemium" model of product distribution and monetization has become prevalent over the last several years. At it's essence, it is handing out software products for free and then allowing customers to pay for in-software services using microtransactions. This video features some businessmen who do business in iPhone apps discussing how they use "Freemium" systems in their apps to make the most money possible while providing great servi...

How To: Anatomize the human head, neck and skull

This is a special four-part series on the human head, neck and skull. Medical students can greatly benefit from watch this anatomy video series. Dr. Gita Sinha "dissects" all of the information pertaining to the head and neck. Dr. Sinha is Assistant Professor for the Department of Anatomy & Neurobiology at Dalhouse University. Each of these videos cover a different topic: