Presence Test Search Results

How To: Test a hypothesis with Excel's TINV & TDIST functions

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 92nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the TINV and TDIST functions to test a hypothesis.

How To: Know what to expect during an endoscopy

If you've had long-standing heartburn, your doctor may order a test called an endoscopy to evaluate for signs and symptoms of something called gastroesophageal reflux disease. Endoscopy is a painless procedure that usually takes place in the morning. The preparation for endoscopy usually involves fasting after midnight the night before the test.

How To: Hack TOR Hidden Services

A lot of people think that TOR services are unhackable because they are on a "secure environment", but the truth is that those services are exactly the same that run on any normal server, and can be hacked with the same tools (metasploit,hydra,sqlmap...), the only thing you have to do is launch a transparent proxy that pass all your packets through the TOR network to the hidden service.

How To: Cheat on a Test with an Eraser

There are a few ways to successfully cheat on a test without getting caught, Here's one of them! Like most, office and school supplies will be needed. For this one though all you pretty much need is an eraser. By the time you're done with this hack, you'll be getting straight As for sure.

How To: Perform a power balance test on your vehicle's engine

The engine has a number of cylinders, whether it's 3, 4, 5, 6… 8…. whatever, and each one of those cylinders is designed to produce the same amount of power. If one is not able to produce the same power as the rest, then that cylinder is down and the engine might miss a bit or have a check engine light. If you think this may be the case with your automobile, this video from Eric the Car Guy will show you how to perform a power balance test on your car's engine. It's very helpful in nailing do...

How To: Test hickory shavings when smoking meat

In this video, we learn how to test hickory shavings when smoking meat. If the chips are completely black, then you cannot use these any longer and they have been smoked too much. You can use sawdust from hickory shavings, just make sure it is hickory. If you cannot tell, then you can use hickory chips that are larger than sawdust and smell like hickory. After you buy these, you can use them inside of your smoker to have the best taste when you smoke your meat inside of the smoker. Once the c...

How To: Load a testing battery in your car

The battery is one of the most important pieces when it comes to your car. Not only does it help provide energy to certain areas of your car, but it's also a life force for it as well. No battery, no starting your car. So it's important to make sure that you always check your battery to see if it's charged and working. In this tutorial, you'll find out how to load a testing battery in your car. It's easy to follow and you'll be glad you did. Good luck!

How To: Build confidence intervals & test hypotheses 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 47th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the NORMSINV function for critical values and the NORSDIST function for p-values. Compare building confidence int...

How To: Identify aphids or whiteflies on your ash tree

County expert John White determines how to solve some pesky plant problems for the area. The first problem - cutter bees on Crepe Myrtle - is an obvious one, with the deep curved "bites" showing on most of the leaves. He suggests using an insecticide but then points out the signs of a second problem - beetle damage. Crepe Myrtle is prone to beetle infestations and he advises to get out a flashlight and look for them at night when they are at their worst. A problem with heat scorching on Euony...

How To: Use optimization methods in calculus

This video shows how to use optimization methods in calculus. Optimization means finding the maximum or minimum values of a quantity or finding when the maximum or minimum occurs.What quantities are optimized in economics?we want to minimize costs or maximize revenue.First steps in any optimization problem1.Identify the quantity to be optimized i.e., read the problem exactly what is exactly maximized or minimized.2.Identified the feasible domain. This is important because the math we can opti...

How To: Identify and control problems with pine trees

First of all whenever there is low rainfall and higher heat then there are problems.You shall notice that there are brown colored needles which dry up and then drop of. Sometimes they start at the tip and then move towards the branch. This shows drought and you need to soak in lots of water to overcome. However if you notice the brown needles going from the middle to the tip then these are due to natural process. Another problem is the presence of spider mite. Take a white sheet of paper and ...

How To: Create a scroll text using buttons & actionscript

Tasktutorial teaches you how to create a scrolling text box using buttons and ActionScript in Flash. Create a dynamic text field and then right click and make it scrollable. Create scroll buttons using two simple rectangles. Convert those to buttons using shortcut F8. Click the button and go to Window - ActionScript. Copy the text from the video to make the buttons scroll the text. You can test the movie by going to Control and then Test Movie. This will bring up a new window and you can see ...

How To: Pass a swimming test as a Boy Scout

As a Boy Scout, when the First Class rank is attained, a scout has learned all the basic camping and outdoors skills of a scout. He can fend for himself in the wild, lead others on a hike or campout, set up a camp site, plan and properly prepare meals, and provide first aid for most situations he may encounter. A First Class scout is prepared.

How To: Study for college exams

In this video, we learn how to study for college exams. Start focusing and get ready for the new exam after you take the first one. Just make sure you wind down and relax after that test for a couple of days. This will let your brain rest and give you a well-deserved break from studying. Just make sure you get back on studying so you can do well on your next exam as well. This process will become easier if you practice it with each and every test you have to take. Just remember to study and i...