In this tutorial, we learn how to know what standard deviation is in your portfolio. Standard deviation is the amount of risk you have inside your portfolio, this will show you how much fluctuation you have in your portfolio. Depending on the expected return of your portfolio ...more
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 243rd installment in their series of digital spreadsheet magic tricks, you'll learn how to find typical value ...more
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. Th ...more
Looking to find the standard deviation of your set of values? Standard deviation quantifies how diverse the values of your data set are, and is useful in determining how different your numbers are from each other. You Will Need: • Data • A calculator Step 1: Collect your d ...more
Mean and standard (or normal) deviation may be hard to understand at first, but with the help of this handy little guide from the pros at Exam Solutions you will be up to speed in no time. In this video, you are shown how to calculate the mean and standard deviation from a no ...more
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 m ...more
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 ...more
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, ...more
This video shows the method to find the variance and standard deviation using Excel. The variance shows the variability of the data points from the median. We find the difference of the median and the mean. We write the formula using '=' sign. The median and data points are pu ...more
In this video tutorial, viewers learn how to calculate the standard deviation of a data set. The standard deviation of a statistical population, a data set, or a probability distribution is the square root of its variance. To calculate the standard deviation, users will need t ...more
Looking for a primer on how to create and work with array formulas in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 12th installment in his series of Excel array formula ser ...more
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 Excel ...more
New to Microsoft 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 MS Excel tutorial from ExcelIsFun, the 664th installment in their series of digital spreadsheet magic tricks, you'll learn how about how ...more
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the nth installment in his "Highline Excel ...more
Some of you may stick with your iPads, but for those looking for a similar Android version, you finally have a winner. To master your new Motorola XOOM from Verizon Wireless, check out the product support page. There, you'll find interactive walkthroughs for getting started, ...more
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 ...more
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 ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to calculate deviation with a TI-83 graphing calculator. Calculating the mean and standard deviation of grouped ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use the central limit with a TI-83 graphing calculator. Central limit theorem. The CB&O pet food company ma ...more
Looking for a primer on how to create and work with array formulas in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 14th installment in his series of Excel array formula ser ...more
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 Excel ...more
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 Excel ...more
New to Microsoft 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 MS Excel tutorial from ExcelIsFun, the 145th installment in their series of digital spreadsheet magic tricks, you'll learn how to create ...more
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 study for that next big test). With this in ...more
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 21st installment in his "Highline Excel Cla ...more
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 Excel ...more
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 Excel ...more
Probability computation is a complex process and even using a calculator can be difficult. But normal probability calculations can be performed quickly with the help of calculator once you know how to use it. So when you have to calculate a probability from a normal distributi ...more
The video is about how to find the variance of the set of data. They found the variance by using the variance formula. Variance formula was represented by square of S, whereas S is the Standard Deviation. Variance is got by the summation of the difference between the average ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to measure dispersion with a TI-83 graphing calculator. Measures of central tendency and dispersion. Determine ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to construct intervals with a TI-83 graphing calculator. Constructing a confidence interval for a single popula ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to find intervals with a TI-83 graphing calculator. Confidence intervals for single population means: sigma unk ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to test a population mean with a TI-83 graphic calculator. Hypothesis test, single population mean, sigma unkno ...more
Economists have long since known that people want to be rewarded for taking on risk. Investments are thus judged by their risk-adjusted returns (Sharpe ratios). A typical hedge fund has a Sharpe ratio of around 0.5. This means that its excess annual return over the risk-free r ...more
If you've ever listened to your loved ones sing in the shower or watched a few minutes of American Idol, you would think that the majority of the population is tone deaf. In reality, only about 4 percent of the world's population suffers from tone deafness, or the inability to ...more
Fresh off of shipping version 2019.1 in April, Unity has already dropped the beta of 2019.2, and it has a bunch of new AR Foundation toys to test. Among the new capabilities supported by Unity's cross-platform mobile AR framework include face tracking and 2D image tracking, m ...more
Apple released the fourth developer beta for iPhone today, Monday, Mar. 15. The update (build number 18E5178a) comes 13 days after Apple seeded developers the third 14.5 beta, and 12 days after public testers received their third 14.5 update. Apple released this update at 10 ...more
This session is tailor-made for advanced Studio users aiming to achieve ultimate quality surface creation. This in-depth tutorial goes through the build up of a sports car exterior at Class-A surfacing standard using the Autodesk (Alias) Studio tools. Class A Surfacing is the ...more
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 obtai ...more
Using the ARKit 2.0 announcement as its springboard, software maker Adobe is looking leap up to the level of Unity Technologies and Epic Games, the companies making the go-to tools for creating augmented reality experiences. Between with Photoshop, Illustrator, Creative Cloud ...more
It appears that the floodgates of consumer-grade augmented reality smartglasses from China are now open, with Mad Gaze being the latest company to rush its product through. The Hong Kong-based wearables maker posted a trio of new videos on Thursday featuring its Glow new smar ...more
Since the Razer Phone's announcement in 2017, we've seen a new subgroup of phones emerge. Gaming phones are now a thing, leading to companies like ASUS creating phones that are thoroughly optimized for the mobile gaming experience. And with their second iteration, they perfect ...more
While most kids his age are busy playing Fortnite, 11-year-old Yumo Soerianto is developing augmented reality games. Kids like Soerianto are the future of the augmented reality field — they'll likely be coming into their own as professional developers right as AR technologies ...more
LOOOK, a Seattle-based mixed reality and development studio, can now peer into the future with their new geotechnical engineering visualization application for Microsoft HoloLens. Developed in partnership with BCG Engineering, a geotechnical consulting firm based in Vancouver ...more
Frequent readers of Null Byte are no strangers to the basic elements of app and web development. Whether you're a seasoned programmer who works extensively on front-end designs or an aspiring app-builder who's working on expanding your portfolio, you're likely familiar with at ...more
When filtered through the prism of the top stories of the year, the business of augmented reality 2019 was defined as much by epic failures of AR startups as it was by the promising developments that propelled the industry forward into 2020. On the dark side of the spectrum, ...more
With the announcement of ARKit 2.0 at WWDC 2018, Apple is bringing some powerful new capabilities to mobile augmented reality apps this fall. Shared experiences, persistent content, and 3D object recognition will enable more social, transcendent, and immersive experiences for ...more
While Snap may eventually compete with Apple and Samsung in selling smartglasses to consumers, today it is helping them achieve their business objectives via augmented reality. That's not all that's new with Snap. the company has also brokered a major content deal with Univer ...more
The makers of arguably the two most important mobile AR apps, Niantic and Snap, both had good news this week, with the former preparing to replicate its success with Pokémon GO for another franchise and the latter notching another popular augmented reality Lens for Snapchat. ...more
Sure, Microsoft has mostly marketed its HoloLens headsets towards enterprises and developers, but we learned this week that, like every other tech giant, the company is working on a consumer-grade AR wearable. Speaking of consumer smartglasses, Apple made another strategic inv ...more
It is almost indisputable that smartglasses and head-worn displays are the future of augmented reality. However, at this precise moment, they are still a very niche market. Those who have been in the presence of a HoloLens, Meta 2, or Magic Leap One have witnessed how powerfu ...more
One of the most popular usages of modern-day smartphones is listening to music. It doesn't matter if you download or stream your tunes, you are part of a massive group of users who do exactly the same. While statistics are a bit foggy on how many smartphones users download mus ...more
When you want a helpful task manager on your iPhone or iPad, any of the nine apps in this guide should be at the top of your list. But we'll review each app's features to help you determine which one might be best for your workflow. Using a task manager on your iPhone or iPad ...more
We often discuss the augmented reality efforts coming from the biggest players in Silicon Valley like Google, Facebook, Apple, and others, but one name that keeps coming up when you really begin to dig into the AR space is Vuzix. Since the late '90s, the company has quietly bu ...more
While autonomous vehicles are almost assuredly the future of personal transportation, we are likely many years from seeing self-driving cars become as ubiquitous as manually-driven ones, as the auto industry has a myriad of government regulations and other constraints to conte ...more