Lawrence Perez, from Saddleback College, and his assistant Charlie, give this introduction to statistics lesson on using the Z tests for the mean. If you don't know about statistics, well, I don't know what to say.
See how a simple rubber band can become a hidden answer key for a school test.
With the S9 and S9+ upon us, you maybe wondering if it's time to retire your aging Galaxy and either sell it or do a trade-in to get Samsung's latest flagship. Before you do, however, it's important to make sure that all its components — most notably the sensors — are working fully in order to avoid potential headaches.
Apple has been in hot water ever since the news that the company slows down iPhones with older batteries. The iPhone maker is now in damage control, offering customers a large, $50 discount on battery replacements. The question for you, though, is does your iPhone need a battery replacement in the first place?
With smartglasses designed for navigating drones and an AR drone racing game to its credit, Epson has just added another credit to its pioneering efforts in the AR-meets-drones space with the launch of a drone simulator app.
Researchers are putting driverless shuttles on campus next year at the University of Michigan and the rides are free for students and teachers.
The displays on all of our devices are getting better and better. TVs, smartphones (Infinity Display, anyone?) — any modern device you use, the screen looks great. So we should expect our content to live up to these fantastic displays. Netflix is attempting to do that, by implementing HDR video for LG G6 users.
Imagine wearing your HoloLens, then reaching out to touch a hologram and actually feeling it. Mind blown, right?! Now imagine that same hologram responding to your touch. I don't mean in the way holograms currently respond to an air tap, but a much more refined and precise touch. Maybe you touch a character on the shoulder and it turns around to see you, or maybe you hit a button in the air and it reacts accordingly.
In response to the flurry of doubtful headlines about Magic Leap today, set off by an unflattering article from The Information, Magic Leap CEO Rony Abovitz released a short blog post quickly detailing what to expect from the company over the next year. The gist comes down to this: big things are happening in 2017.
If all things go well, you'll only have to take your road test once. That's the goal: to ace your test on the first try and then start driving on your own. Granted, it's a nerve-racking experience, but keep in mind that the California Department of Motor Vehicles wants you to pass. So much so, they give you the examination answers ahead of time! All you have to do is study.
Did Mikey really meet his end by eating Pop Rocks and Coke? Well, in this how-to you'll see the myth tested and be able to try it out yourself. Follow as Steve Spangler shows us why Pop Rocks pop, and how they react with soda.
Hmmm, all you've got is a piece of cabbage but you need to test the acidity or alkalinity of some liquid. What do you do? What DO you do!? Well, you start by watching this video by Steve Spangler. Ahh, the sweet smell of science! Invite your friends over to share in this super smelly but really cool activity. Plug your nose and get ready to make your own red cabbage indicator that will test the acidity or alkalinity of certain liquids.
After you purchase your first car in Gran Turismo 5 on the PlayStation 3, you'll unlock the National B License Tests. The first one (B-1) is a stopping challenge, and if you want to learn how to get the gold trophy, this video gives a perfect example of how to get it.
Want to test whether the soil sample or a water sample contains boron, watch this video. As shown in the video, the first step is to create test specimens of various concentrations using a simple turmeric and ethanol solution as a base for comparison. The basis of this experiment is the fact that curumin present in turmeric reacts with boron to form a reddish compound and so the result of this reaction can easily be verified visually.
Fallout has always had some great references to Pulp Science Fiction, especially seeing as the art style is very much based off of that old 1950's Pulp Sci-Fi feel. To spice things up a bit and give yourself a unique look, you can find a rare Space Suit complete with helmet at the REPCONN Test Site! Check out this video where you can find the location of the Space Suit in the REPCONN Test Site's basement in Fallout New Vegas!
Error code P0401 on a 2004 Ford Focus indicates EGR Insufficient Flow, which usually means your DPFE sensor needs to be replaced. If you're not sure though, and you shouldn't be, watch this video to learn how to perform a test that will make sure your DPFE sensor is actually broken before you replace it.
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 332nd installment in their series of digital spreadsheet magic tricks, you'll learn how to insert text into a test string with the REPLACE function as well as how to insert a part of a product ID into a longer product ID.
In this Home & Garden video tutorial you will learn how to test lawn irrigation systems. John White presents this video. This is done by a simple can test. Take a few cans of the same size with vertical walls and flat bottom. Place them around the sprinkler head at different distances and make sure they are horizontal. This will show whether the sprinkler is spreading water evenly. Then you can time it and measure the amount of water. This way in future, you will know how long to run the syst...
Finding the area of a triangle is essential in mathematics. This video will show you how to ace that geometry test in a few simple steps. Not only will you learn how to find the area of a triangle in this video, you will learn to do so quickly and improve your test scores. Finding area is not difficult once you learn the basics.
Easy way to test for fake currency. This is a quick way to find out if a dollar bill or paper currency is fake or counterfeit. Counterfeiting is rampant. Don't get scammed.
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple maintenance on your automobile, but you may need a few tools. Invest in the basic tools and you'll be prepared for just about any car malfunction you can think of. These tutorials will help get you on your way, as long ...
This how-to video demonstrates how to test radial and ulnar artery circulation. To begin have the patient clench the hand tightly. Upon release the blood should return quickly. If you push down on both arteries, specifically the radial side, the hand remains white after loosening the clenched hand. If you release the ulnar side you will notice that the hand returns to a normal pink color. Follow along and learn to test radial and ulnar artery circulation.
Learn how to ride a motorcycle by performing the alternate MOST quick stop emergency braking skill. This motorcycle driving tutorial will show you how to pass the quick stop portion of the Alternate M.O.S.T skills test. Learn the layout of the test, then how to properly use your emergency brake to perform a quick stop on a motorcycle.
Learn two quick study habits that will help increase your grades on tests and exams.
Improve your knowledge of Japanese expressions by watching this video. This short video is intended for entry level Japanese speakers, watch and test how much Japanese you know.
After running a diagnostics test on a 2002 Jeep Liberty, if you get the code P0442, that means you have an Evaporative Emission Control System (EVAP) leak detected, which is just a small leak, but a leak nonetheless. This video will show you how to smoke test the EVAP leak to find the problem spot inside the vehicle.
One reason your vehicle may be misfiring is from a spark plug problem. To help you out, this video, aimed at mechanics, will help you diagnose the problem by using a lab scope and inductive pickup to test a coil on a spark plug. This could be done for virtually any vehicle. If you have the equipment, this is the test to try out.
Are you suspecting you may be pregnant? How can you know for sure? Well, a simple home pregnancy test can change your life as you know it. Watch this how to video to learn some of the symptoms of pregnancy and how to take a home pregnancy test.
Kinesiology, or human kinetics, is the science of human movement. This simple muscle self-test turns your body into a lie detector. Your body subconsciously knows things that the conscious mind isn't aware of. Watch this video kinesiology tutorial and learn how to do a simple muscle test.
Patrick from Tekzilla explains Cat5 cable testing.
Learn how to cheat on a test in school by hiding the test answers inside of a pen.
This Pamie Demo shows how to setup, install and run a simple automation script. It shows you: how to install Pamie, how to create a Pamie test script to Automate a form using PythonWin IDE, how to write the script and how to run the test. The volume is really low so crank your speakers way up and make sure you have the proper Python and programs downloaded.
Was Napoleon's death really due to stomach cancer, or was it arsenic poisoning? Some scientist believe the latter. Arsenic poisoning was a deadly weapon in that era, because it was undetectable when administered over a long period of time, making murder seem like natural causes. But if arsenic (As) is poisonous to most multicellular life, then what's with the newest NASA discovery?
Apple hasn't released a major iOS 13 update in 15 weeks. Sure, iOS 13.3.1's release was eight weeks ago, but that minor update only included bug fixes, lacking any significant new features and changes. If you've been waiting for Apple to add some excitement to your iPhone, you're in for a treat, as Apple just released on March 24.
We spent four beta updates with iOS 13.3. In that time, we saw fun new features like Communications Limits in Screen Time, an off switch for Memoji stickers in the Emoji keyboard, and new mouse options, among other things. Once Apple made 13.3 available to the public, it was only a matter of time before it began beta testing new software. That software is iOS 13.3.1, and that testing starts today.
Everyone seems to be talking about Elon Musk's new futuristic Tesla Cybertruck, the vehicle that either looks like a cool moon rover or an outlandish video game replica, depending on your tastes.
The wait is finally over. Apple just released iOS 13.2 for iPhone, the latest update to this year's iOS 13 release. The update contains a slew of exciting new features, such as Deep Fusion for 2019 iPhones, a suite of new emojis, the long-awaited Announce Messages with Siri, among many, many others.
While the eyes and ears of the iPhone world are singularly fixated on iOS 13 and its suite of over 200 new features, Apple was actively piloting iOS 12.4 in tandem with the big iPhone update, in preparation for the release Apple Card. Today, Apple has finally seeded iOS 12.4 stable, 116 days after its first beta version, and there's still no concrete evidence that Apple Card itself will show its face.
Facebook is preparing to make augmented reality experiences for brands more visible in its mobile app with Tuesday's introduction of augmented reality ads in its News Feed.
With the change to a glass back, many of us are concerned about the durability of OnePlus 6. While glass does offer some benefits such as lighter weight, without proper reinforcement, it can easily shatter in one drop. Now we have our our first look at its durability thanks to JerryRigEverything.
