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How To: Calculate a t-statistic confidence interval for a small sample size

Want to find the value of a t-statistic confidence interval for a small sample? This clip's your ticket. 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Calculate Type I (Type 1) errors in statistics

Need a quick primer on how to solve type-1 error problem in stats? Let this video be your guide. 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Use one-tailed and two-tailed tests in statistics

Can't make heads or tails of one- and two-tailed tests? Never fear. This stats 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Calculate the confidence interval in basic statistics

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 calculate a confidence interval in basic statistics.

How To: Find a 95% confidence interval for a proportion in statistics

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 find a 95% confidence interval in statistics.

How To: Sit cross-legged for meditation

In this video, we learn how to sit cross-legged for meditation. Meditation in this pose will cause you to be far more relaxed and calm then if you were in an uncomfortable position. If your rear end hurts while you are sitting down, try putting padding underneath you so you are completely comfortable. Make sure your feet are tucked into your body and your back is aligned with your head straight in the air. Once you are comfortable, you can put your hands at your sides on each of the legs. The...

How To: Use "may I" phrases in Polish

In this tutorial, we learn how to say basic phrases in Polish: "may I use...". Listen to the video and read the text as you practice saying each of these phrases. It's important to get the accent down right, or you can be saying a totally different word or phrase than you mean to. If you use these everyday, you will become more familiar with the answers you get to the questions as well! Just make sure you practice and go slow with these, no rush. Once you learn these, you will open your mind ...

How To: Turn a Ctrl + Shift + Enter formula into an Enter array formula in Excel

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 and Mr. Excel, the 52nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the INDEX function to turn a Ctrl + Shift + Enter array formula into just an Enter array formula. Avoid Ctrl + Shift + Enter by using the INDEX function and a blank as the row argument.

How To: Knife someone in the face with film effects & tricks

In this tutorial, we learn how to knife someone in the face with film effects & tricks. This effect is mostly done in the camera and not in computer software. First, get two identical knives and a hat you don't mind ruining. Then, remove the blade from one of the knives and fix it to the hat. Once you have the knife set up, put your actors in place. When you do this part, use caution to make sure you don't throw the knife at anyone. Throw this into the air, then take the shot to the person wi...

How To: Live in the moment and make yourself more attractive

In this tutorial, we learn how to learn to live in the moment and be more attractive. When you want to land a girl and appear more attractive to her, you need to live in the moment. When you stop worrying about yourself and being absorbed in your own mind, the girls will come. Forget about yourself and focus on exactly what is going on in the situation that you are in. Life is full of ups and downs, so don't let outside things effect you when you are trying to find a girl. Live in the moment ...

How To: Use the Facebook status tagging feature

In this tutorial we learn how to use the Facebook status tagging feature. This will let you update your Facebook status and add your friends in with it. This will appear on their wall as well, for all their friends, mutual friends, and your friends to see. To do this, you will begin typing in the status update, then type in "@ and then that person's name" Their name will show up underneath where you are typing. Keep in mind you cannot tag someone you aren't friends with. Click on their name w...

How To: Cut side bangs

In this video, we learn how to cut side bangs. Fist, you will need to grab some shearing scissors, a comb, a trash can, and water. Now, get your bangs wet in the area that you want it, then part your hair where you usually part it. Once you do this, separate your bangs from the rest of your hair and clip the rest back. Next, use your scissors and cut at an uphill angle from the bottom of your bangs to the top. When finished, continue to cut until you have the desired length. Keep in mind your...

How To: Calculate hours worked in a shift with a lunchbreak in Microsoft Excel 2010

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 727th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate the hours worked in a night or day shift with a break for lunch given time number inputs using the MOD function.

How To: Make movie rain without getting wet

In this tutorial, we learn how to make movie rain without getting wet. First, you will need to get a garden hose that has a spout on it and few pieces of PVC pipe. Connect the pieces of PVC pipe together, then stick the head of the hose to the pipe. Keep in mind that you will want to cut the pipe a bit shorter so it's easier to hold. Now, have someone hold up the pipe while you are taping and make sure to stay opposite of the way the wind is blowing. After this, you will have taped rain in a ...

How To: Change fractions to decimals

In this tutorial, we learn how to change fractions to decimals. First, you will need to divide the numerator by the denominator. The numerator is the top number and the denominator is the bottom number. Once you get this number, you will end up with a decimal instead of a fractions. When finished, you will end with the number that will be your answer! Practice doing this with simple numbers, then move onto more difficult to test your mind and get better and better at math! This is an easy con...

How To: Calculate weekly gross pay from time values in Microsoft Excel 2010

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 722nd installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate gross pay for the week from time values using the SUMPRODUCT function. Also see what to do if you get a #VALUE! error from blanks in cell using the IF function and an array logical test.

How To: Avoid double-counting duplicates within a list in Microsoft Excel 2010

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 726th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SIGN, COUNTIF and SUMPRODUCT functions to count 1 for each item in a first list that's also contained in a second list.

How To: Find the inverse of a function in intermediate 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve problems involving function inverses.

How To: Representing a number as a decimal, percent, and fraction

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to express a number as a decimal, percent and/or fraction.

How To: Use breathing & intention in tango

In this tutorial, we learn how to use breathing & intention in tango. Use the pattern of walking into the cross and add in elements of staying in the line. Lead the cross carefully and slowly by breathing slowly to help make an easy transition from closed to open. Put all these elements to help make the dance look better by paying attention to the details. Keep in mind that people are looking at you and want to see someone happy dancing. Keep a smile on your face but also make sure to pay clo...

How To: Solve a problem that asks you to identify percent, amount and base

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve simple percent problems in basic arithmetic.

How To: Convert yards to inches with simple arithmetic

In this clip, you'll learn how to convert between yards and inches by formula. 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve word problems that require you to express yards as inches or in...

How To: Convert a temperature from Fahrenheit to Celsius with simple arithmetic

Looking for a thorough guide on how to convert between Fahrenheit and Celsius temperature scales? It's easy! And this clip 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials...

How To: Convert between metric units of measure in basic arithmetic

Could you use a hand tackling metric conversions? You're in luck. 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to convert between metric units in basic mathematics.

How To: Compare a list of numbers where one group is entered as text in Excel 2010

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 719th installment in their series of digital spreadsheet magic tricks, you'll learn how to compare two list of numbers and see what happens when one list is numbers is aligned right and the other list is numbers as text.

How To: Create a data validation drop-down list from a table with duplicates in Excel

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 608th installment in their series of digital spreadsheet magic tricks, you'll learn how to to create an expanding data validation drop-down list from table with duplicates using a number of different tricks.

How To: Make a claymation puppet

In order to make a claymation puppet, you will need the following: clay in various colors and pipe cleaners. You will need to choose clay colors for clothing and skin and eye and facial features. If you want hats or accessories, you would need to keep that in mind.

How To: Make a cute origami elephant for beginners

Is your best friend's baby shower speedily approaching and your mind out of ideas for a cute and cheap way to decorate the party? Then you've come to the right place. These tiny blue origami elephants would make great pieces of decor as centerpieces on the dining room table and placed on counters around the house to emphasize the baby theme.

How To: Make cozy fleece pants for a Christmas present

We know how hard it is to buy a present for a woman during the holidays. 99% of the time she's not going to wear what you buy her, and giving her a practical gift like a blender or a new microwave - despite your best intentions - is just cause for a good talkin' to. So how do you indulge that special woman in your life this Christmas without getting slapped?

How To: Calculate angles formed between transversals and parallel lines in geometry

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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to calculate the value of angles formed between transversals and parallel lines in basic geometry.