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
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
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 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
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
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
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
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
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
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
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
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
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'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
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
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
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
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
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
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
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
How To:
11 New Apple Maps Features That Improve Hikes, Search, Favorites, Saved Locations, and More on Your iPhone
How To:
Create Custom Offline Routes for Walks and Hikes in Apple Maps
How To:
Safari's New Summary Feature Boils Webpages Down to Key Highlights for You — Here's How It Works
How To:
Your iPhone's Action Button Has 19 More Actions Available — Here's What's New and Changed with iOS 18
How To:
Apple's Weather App Just Got 13 New Features and Changes in the Latest iPhone Software Update
How To:
The Easiest Way to Find, Share, and Manage Wi-Fi Passwords Your iPhone and Other Apple Devices Auto-Saved for You
How To:
Apple's Massive Control Center Update Gives You 11 New Must-Try Features on iPhone and iPad
How To:
Safari's Secret Weapon to Distraction-Free Browsing Gives You Complete Control Over Webpage Annoyances
How To:
6 States Support Digital Driver's Licenses in Apple Wallet — Which States Are Next?
News:
Apple Rereleases iOS 17.6.1 for iPhone with Important Bug Fixes
How To:
Are Your Devices Compatible with iOS 18, iPadOS 18, and macOS 15? Here's the Complete List
How To:
Your Lock Screen Just Got 12 Times Cooler with iOS 18 and iPadOS 18
How To:
Swap the Flashlight and Camera Lock Screen Controls on Your iPhone to Open Apps, Toggle Settings, and More
How To:
How This '90s Tech Feature Makes iPhone Calling Better Than Ever
How To:
11 New Features on iOS and iPadOS 18 That'll Make Apple Notes Your Go-To App for Productivity
How To:
Make the Most of Apple Intelligence's Writing Tools to Proofread, Rewrite, Summarize, and Create Content
How To:
Change Text Color and Background Highlights in Apple Notes on iPhone, iPad, and Mac — The Official Way
How To:
Use Collapsible Sections to Conquer Clutter in Text-Heavy Notes on Your iPhone, iPad, or Mac
How To:
Attach Almost Any File Type to Notes on Your iPhone or iPad
How To:
Turn Any Website into a Full-Screen App on Your iPhone
How To:
11 New Apple Maps Features That Improve Hikes, Search, Favorites, Saved Locations, and More on Your iPhone
How To:
See Passwords for Wi-Fi Networks You've Connected Your Android Device To
How To:
Create an Admin User Account Using CMD Prompt (Windows)
How To:
Dial These Secret Codes to See if Someone Is Hijacking Calls & Texts on Your iPhone
How To:
The Complete Guide on How to Build a Crystal Radio—Plus How They Work
How To:
Your iPhone's Action Button Has 19 More Actions Available — Here's What's New and Changed with iOS 18
How To:
19 Harry Potter Spells Your Android Phone Can Cast Using Google Assistant
How To:
Use FaceTime's Secret Hand Gestures and Reaction Buttons to Add Animated On-Screen Effects to Your Video Feed
How To:
See What Traffic Will Be Like at a Specific Time with Google Maps
How To:
Use Burp & FoxyProxy to Easily Switch Between Proxy Settings
How To:
Apple's Messages App Has Some Cool New Text Editing Features and Effects for iMessage — Here's How It Works
How To:
CC in a Physical Business Letter
Android Basics:
How to See What Kind of Processor You Have (ARM, ARM64, or x86)
How To:
Add Unsupported Cards and Passes to Apple Wallet for Quick, Easy Access on Your iPhone
How To:
Fold an Origami F-18 Fighter Jet Out of a Dollar Bill
How To:
The Trick That Lets You Link to Specific Start Times in YouTube Videos Right from Your Phone
How To:
Build a Tree Farm in Minecraft for Easy Access to All Types of Wood
How To:
Schedule Messages to Send Later Automatically Using iMessage
How To:
Make Siri Say Whatever You Want Every Time You Connect Your iPhone to a Charger
How To:
Make Spoofed Calls Using Any Phone Number You Want Right from Your Smartphone
How To:
Find Identifying Information from a Phone Number Using OSINT Tools
How To:
Turn Any Website into a Full-Screen App on Your iPhone
How To:
Find All the Reels You Liked & Saved on Instagram
How To:
15 Hidden iMessage Features for iPhone You Probably Didn't Know About
Tutorial:
Create Wordlists with Crunch
How To:
Download Any TikTok Video on Your Phone — Even if They're Blocked from Saving
Bugtraq:
installation and first steps
How To:
Clone Any Android App on Your Samsung Galaxy Phone Without Using Any Third-Party Tools
Warning:
Sensitive Info You Black Out in Images Can Be Revealed with a Few Quick Edits on Your iPhone
How To:
Dox Anyone
How To:
Clear Your Frequently Used and Recent Emoji from Your iPhone's Keyboard
How To:
Make a Homemade Bee & Wasp Trap (Kill or No-Kill)
How To:
Scan for Vulnerabilities on Any Website Using Nikto
How To:
Find Vulnerable Webcams Across the Globe Using Shodan
How To:
Blast Your iMessage Friends with an Emoji Explosion Using This iPhone Trick
How To:
Make This Amazing 9-Layer Density Tower from Things Found in Your Kitchen
How To:
Use SQL Injection to Run OS Commands & Get a Shell
Modular Origami:
How to Make a Cube, Octahedron & Icosahedron from Sonobe Units
How To:
Use Kismet to Watch Wi-Fi User Activity Through Walls
How To:
Check if Your Wireless Network Adapter Supports Monitor Mode & Packet Injection
