Standard Tests Search Results

News: Standard Testing Frequently Misses UTIs — But Now We Have a Better Way

Have you ever had a burning sensation when you urinate? Low fever, back pain, and maybe cloudy urine? Male or female, it could have been a urinary tract infection. If it lasted long enough, the chances are good you went to the doctor for help. For about 20% of women, standard testing for a UTI does not reveal the presence of infection-causing bacteria, even though bacteria may be causing their symptoms. Well, a new test may provide better answers.

How To: Test a vehicle alternator with a standard multimeter

Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive lead of the battery. Set the meter to DC voltage using the 20 scale and read the display to ensure the battery is fully charged. Next start up the vehicle and see what the alternator is producing. The display should now...

How To: Perform the Slow Flight maneuver

In this AeroCast episode, UND Aerospace discusses the Slow Flight maneuver as performed in the Piper Warrior (PA-28-161), referencing the procedures and standards outlined in the UND Warrior Standardization Manual. All performance tolerances are based on the performance standards set forth by the FAA Private Pilot Practical Test Standards. Since the most critical phases of flight occur at airspeeds less than cruise, a pilot must always be comfortable with his or her airplane’s handling charac...

How To: Perform Power On Stall maneuvers

In this AeroCast episode, Anthony Bottini discusses the Power On Stall maneuver as performed in the Piper Warrior (PA-28-161), referencing the procedures and standards outlined in the UND Aerospace Warrior Standardization Manual. All performance tolerances are based on the performance standards set forth by the FAA Private Pilot Practical Test Standards. Power On Stall practice is vital in increasing a pilot’s proficiency in regards to stall recognition and stall recovery techniques during an...

How To: Replace a standard light switch with a dimmer switch

This video is from the Dummies video series. The video will describe the process of replacing a standard light switch with a dimmer switch. First you must pick a dimmer switch that has the capacity to control the light fixture you would like to dim. Add up the wattages of all light bulbs in the fixture and make sure it is less than the rated capacity of your dimmer switch. Next turn off the power to the existing switch from the breaker panel and test with a voltage meter. You will then remove...

How To: Write a great essay for the SAT test

In this four part video tutorial series, learn how to write a 12 score essay for the SAT test in just ten days. The SAT essay is designed to measure your abilitity to develop a point of view on an issue presented in an excerpt, support your point of view using reasoning and examples from your reading, studies, experience, or observations, and your ability to follow the conventions of standard written English. Follow these steps presented in this video, and score at least a 10 on your SAT essay!

How To: Find percentages using a standard calculator

Want to find a percentage of one number relative to another? With a calculator, it's easy. And this free video math lesson will show you how to go about it. 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).

How To: Power off stall and recover a small plane

In this AeroCast episode, Anthony Bottini discusses the Power Off Stall maneuver as performed in the Piper Warrior (PA-28-161), referencing the procedures and standards outlined in the UND Aerospace Warrior Standardization Manual. All performance tolerances are based on the performance standards set forth by the FAA Private Pilot Practical Test Standards. Power Off Stall practice is vital in increasing a pilot’s proficiency in regards to stall recognition and stall recovery techniques during ...

How To: Use NORMSINV with critical values in Microsoft 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 87th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use NORMSINV to test a hypothesis with population standard deviation (sigma) known and proportions.

How To: Measure dispersion with range, variance & std dev

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 installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to use statistical range, variance and standard deviation to measure dispersion in a data set.

How To: Convert from standard to scientific notation

Interested in converting numbers both into and out of scientific notation? This free video lesson will teach you everything you'll need to know. 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).

How To: Solve standard-form linear equations in algebra 1

Looking for a primer on how to solve a standard-form linear equation in algebra? Learn how with this free video lesson, which offers examples of how to use the x and y intercepts of a line to write the equation of the line in standard form. 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 o...

How To: Celebrate the 8 days of Hanukkah with the standard Jewish traditions

If you don't know exactly what goes on during Hanukkah, this series of videos will set you straight. Hanukkah is the most recognized Jewish holiday, right around Christmastime, and Chaim from Maoz Israel is going to show you some traditional customs that are performed during the eight days of Hanukkah 2010. Learn about the menorah, sufgaiyots, the mysterious dreidel and the traditional Chanukah songs.

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...

News: Self-Driving Cars Are Coming to New York, but Only for a Limited Time

The east coast is becoming a hotbed for driverless. Sure, the west coast has all of its fancy tech companies testing self-driving cars, but we've got the goods too. Uber has brought the technology to Pennsylvania and will soon do the same in Toronto. (Stratford, Ontario, has plans to test out driverless too!) And today we got some great news: Governor Andrew Cuomo just approved of driverless testing in New York.

How To: Find a transformation matrix with respect to a basis

Learn how to find a transformation matrix with respect to a non-standard basis in linear algebra. 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).

How To: Converting linear equations to slope-intercept form

Interested in putting a linear equation in slope-intercept form? See how it's done with this free video math lesson. Need help finding the 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...

How To: Calculate sums in standard form

When a number is expressed in the form of x multiplied by 10^y such that, x < 10 and y is an integer, the number is said to be in standard form. Standard form of expressing numbers finds its use in scientific and statistical fields. This video demostrates how to express, as well as perform basic mathematical operations namely, addition/subtraction, multiplication and division of numbers in the standard form using four examples/mathematical problems. The first two examples demostrate multiplic...

How To: Know standard deviation in your financial portfoli

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 over an amount of time, you could have a different range of standard deviation. Knowing what your standard deviation can help you do the math to see what your chances of a return or loss will be for certain. This will he...

How To: Solve quadratic equations by factoring using grouping

Learn how to take a quadratic equation in standard form and change the trinomial into a binomial product. Using the zero product rule, the zeros of the graph can then be found. The grouping method is effective when the leading coefficient (the number factor of the squared term) is some number other than 1 (one). 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 easi...

How To: Graph a system of linear equations on a TI83 or TI84

Need to know how to solve a standard-form system of linear equations by graphing using a TI83 or TI84 series graphing calculator? Learn how with this free video lesson. 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).

How To: Think You Might Be Tone Deaf? This Online Musical Test Will Diagnose You in Minutes

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 distinguish between different pitches. Che Guerava, Charles Darwin, and Ulysses S. Grant were all tone deaf.

How To: Convert numbers in and out of standard form

In this video, we learn how to convert numbers in and out of standard form. Standard form is a useful way of writing down very large numbers and very small numbers. To do this, you will look at the number you have and ignore the zeros that are just at the end. Then, write down the basic numbers. Put a decimal point in this number to make it between one and ten. Now, write down x 10 and put the power for how many places the decimal point moved to get to the new number. This will help you write...

How To: Activate Microsoft Office standard 2007 with key

Chances are if you've used a computer in the last decade or so, you've probably used Microsoft Office at some point. Activating Microsoft Office standard 2007 will give you access to functions you might not have even known existed that can increase your productivity and improve your work flow. This video will show you to activate Microsoft Office standard 2007.

How To: Design for multiple browsers

James Williamson for Lynda demonstrates designing for multiple browsers. The most frustrating aspects of web design is constantly dealing with the settle and some times not so settle differences in browser rendering. While they moved to a standard spaced, CSS control presentations has made life infinitely easier for web designs. Dealing with bad browser behavior is one of most unfortunate side effects. All browsers render our pages same because each browser reads and renders the HTML and CSS ...

How To: Calculate standard deviation

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.

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: Create a new standard user & admin in Windows 7

In this video tutorial, viewers learn how to create a new standard user and administrator account. Begin by clicking on the Start menu and select Control Panel. Then click on User Accounts and Family Safety and click on User Accounts. Now select the "Manage another account" option and click on "Create a new account". Users are able to name the account and select the account type (Standard or Administrator). Finish by clicking on Create Account. Users are then able to make changes to the accou...

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