Population Search Results

How To: Save the Bee Population from Colony Collapse Disorder

The bee population is in trouble. Colony Collapse Disorder is a mysterious malady that is decimating bee colonies all the country and could kill them completely, which would leave all of the plants and honey-loving people of the world in serious trouble. This video will give you some tips for encouraging the bee population, which is really one of the most green things you can do in this, the bees' time of need.

How To: Find deviations and variance for a population 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 41st installment in his "Excel Statistics" series of free video lessons, you'll learn how to calculate deviations, variance and standard deviation for a sample and a population using Excel tables and the VAR, S...

How To: Compare population proportions 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to compare population proptions in stats.

How To: Compare population proportions 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to compare population proportions.

How To: Beat the Population Control challenge in God of War 3

In this helpful video tutorial, you'll find out the secret to beating the Population Control challenge in the popular PS3 title, God of War 3. It's a pretty simple challenge that needs to be completed in a certain amount of time. You basically just have to make sure there are no more than 50 enemies at the same time. So good luck and enjoy the video!

How To: Solve population proportion problems 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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve pop. proportion problems in stats.

How To: Diagnose and treat hemorrhoids

Around half the UK population will develop piles at some point in their life. In this exclusive guide, Dr Jessen explains the causes of hemorrhoids and dispels some myths along the way. He also discusses treatment options – from over-the-counter creams to surgery – and advises on the best way to prevent piles occurring in the first place. Watch this video tutorial and learn how to diagnose and treat hemorrhoids.

How To: Make a homemade cat trap

Needing to trip the feral cat population in your neighborhood. Well, it's time to make a trap, fill it with cats, and shut your trap. This good how to shows a trap you can build yourself, and the necessary tequinique to catch those cats.

How To: Build a barrel rocket stove

A rocket stove is a "rocket" combustion approach to preparing meals, which provides high combustion efficiency and efficient heat transfer to the cooking pot. Research suggests (through practical experience) that by using a rocket stove, you could save at least 50% of fuelwood, which is a significant savings for anyone's financial situation.

How To: Use AGGREGATE instead of SUBTOTAL in MS 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 664th installment in their series of digital spreadsheet magic tricks, you'll learn how about how the new Excel 2010 AGGREGATE function that can calculate these 19 different functions depending on what number you put into the 1st argument of the AGGREGATE function. This is an improvement over the SUBTOTAL function wh...

How To: Identify pinon needle scale

Identify pinion needle scaleWe are going to look at this insect because eggs are being laid. Two year old needles are being cast off. This is a sign of infestation. There is also sparse, open foliage. This tends to be a chronic infestation. The insect is the pinion needle scale. You can see tiny, bean shaped bumps on the 2 year old needles. The insects move to last years new growth and feast on the sap of the needle all summer. You can see egg masses and web on the trunk of the tree. The inse...

How To: Find the percent increase or decrease in a quantity

This video shows us the method to find the percent increase or decrease in a quantity. This can be done in 30 seconds. The formula states that the percentage increase or decrease is equal to the product of the ratio of amount (increase or decrease) and the original amount and 100. This is explained by two examples. In the first example the amount of increase of the price of groceries is found by taking the difference of the new price and the old price. This is divided by the original price an...

How To: Create a line-graph in Excel 2007

In excel a left click is made on box A1 and the X title is typed in as year. In A2 the year 2001 is typed and in A3 the year 2002. Both A2 and 3 boxes are highlighted and the bottom right hand corner is used to drag the work into a copied sequence down to A12. In B1 "population in billions" is typed. From the web site the data is copied and typed in as it appeared and the numbers are rounded off. A click is made on the "insert" tab and line is selected from the menu which appears. The upper l...

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: Find confidence intervals without the sigma 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 82nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma value (the population's standard deviation) in NOT Known using the TINV...

How To: Do basic lighting corrections in Photoshop

In this video tutorial the instructor shows how to perform basic lighting corrections in Adobe Photoshop. The levels tool is the Photoshop's most used command which has many features to it. Its most basic function is as a lighting correction tool. In this video open an image and work on its adjustment layer so that you do not damage the original picture. Now choose the levels option by right clicking and it shows a pop up window which contains a histogram which shows the population of the col...

How To: Identify characteristics of a sample during a survey

To identify characteristics of a sample in your survey, there are many factors to consider of your samples. The first four characteristics you need to focus on are gender, age, income level, and education level. All four of these characteristics must be proportional to that of the population. You also need to consider the geographic location. Only take samples from the immediate geographical area. Finally, an important characteristic of the survey is the sample size. You do not want to ask to...

How To: Use the NORMSINV & NORMSDIST 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 93rd installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the NORMSINV and NORMSDIST functions to complete a hypothesis test about a population proportion.

How To: Construct confidence intervals with TINV in MS 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 83rd installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma (population standard deviation) in NOT known using the TINV function.

How To: Identify tree damage from a natural gas leak

In this how-to video, you will learn how to indicate if tree damage has occurred due to a natural gas leak. In this example, a Mexican Elder tree has been damaged by the gas leak. You can tell by the brown leaves. The plastic around the soil has trapped the gas in the soil, cutting off the oxygen from the tree. The Indian Hawthorne in this example has also been damaged. There is some foliage burn on the leaves. The bush will have to be trimmed back in order to save it. There are several plant...

How To: Understand mean and standard deviation

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. The mean gives an idea on the central tendency. Standard deviation gives an idea about how spread out the data are. Keith also explains how these two parameters, the joint sufficient statistics, define a normal distributio...

How To: Say important medical terminology in Khmer

Cambodia has had a troubled history, especially over the last 40 years, and as such medical professionals for more developed countries have often felt compelled to journey there and serve the needy. If you are already doing so or preparing to, or work in a community with a Khmer-speaking population, this video could be of help to you. It will teach you all sorts of useful medical technology in the most popular language in the country, Khmer. This should greatly improve you communication with ...

How To: Evaluate a women's body toxins

In this video, we learn how to evaluate a woman's body toxins. The best way to do this is to evaluate your life and your career. Different careers can expose you to toxicity. Another thing is test that your doctors can give you, that look at urine, blood, and saliva for toxic substances. These are not for everybody, just a certain population. But, the accuracy of these tests have not yet been proven scientifically. Not everyone needs to go on a detoxification diet, but it certainly can help y...

How To: Build confidence intervals given the sigma in MS 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 81st installment in his "Excel Statistics" series of free video lessons, you'll learn how to construct confidence intervals when the sigma (population standard deviation) is known. See how the CONFIDENCE and NO...

How To: Calculate probabilities with Excel's NORMDIST function

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 22nd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the NORMDIST function to calculate probabilities for a population with a normal (bell) distribution! You even get to see the four types of situations that you most commonly encounter -- plus visual pictures of each situation...

How To: Say "beer" in Polish

If there's one thing all countries have in common it's beer as a favorite evening beverage... Especially amongst the male population. In this video, learn how to correctly say the word for "beer" in the Polish language which translates to "piwo".

How To: Build a bat cave

August is a time when it is common to see bats flying overhead while taking an evening stroll or night fishing at your favorite spot. The two most common bats in Ohio are the little brown and the big brown bats and both are found in rural and urban settings. Bats serve a valuable purpose for humans because they feed on insects, including mosquitoes and those which plague farmers’ crops. However, bats sometimes create roosts, or gathering places, in people’s homes. Join Wild Ohio’s Donna Danie...

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