During the last few months, WhatsApp's Google Play Store ratings have been tanking—all the way down to an average of 3.4 stars from the instant messenger's usual average of 4.1. Within the last week, though, WhatsApp has received thousands of seemingly fake 5-star reviews that have bumped up the company's overall average to a 4.4.

Going out to dinner on a Saturday night can be more trouble than it's worth when you find yourself waiting for hours on end just to be seated. Thankfully, Google Maps has some very useful data that can save you from a headache the next time you head out to your favorite restaurant.

In Chemistry weight of some elements are measure in the form of Average Atomic Mass. Isotopes are found in different abundances in nature. Certain elements have many isotopes and certain elements have few isotopes. Regardless of the number of the natural isotopes, the weighted average mass takes into consideration not only the mass of each isotope, but what also its natural abundance in terms of percent as found in the nature. So when you have the mass of two isotopes of an element and are gi...

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 677th installment in their series of digital spreadsheet magic tricks, you'll learn how to average the last three scores eneterd for any Player using the functions: AVERAGE, IF, ROW, COUNTIF, MIN, LARGE.

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 682nd installment in their series of digital spreadsheet magic tricks, you'll learn how to to average times values that were exported from a database as text values instead of number values.

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 663rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AGGREGATE function to add or average while ignoring #N/A errors in hidden rows.

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 91st installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to create an average with multiple criteria using pivot tables (PivotTable). Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.

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 583rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVERAGEIF & IFERROR functions with absolute and mixed cell references to create a large table of conditional average calculations (averaging with criteria).

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 35.2nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to use Excel's GEOMEAN function to find geometric mean.

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBostonian will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to build a simple Java program to sum and find the mean for a list of ten numbers. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite many values over any interval. But it is not possible to add all and then divide by infinity. Therefore you have to calculate in a different way. Imagine that you have to find the average of y=f(x). Then you have to average it from the interval from ‘a’ to ‘b’. The inner area under the curve shall ...

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 92nd installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how the AVERAGE function sees zeroes and uses them in calculating an average but does not see blanks.

This video shows us how to use the following functions in Excel: average, count, counta, min, max, and sum. First, start off by create a set of numbers to work with. After that, click on an empty cell that you want to use for the functions. To do an average, click on the functions button on the top right corner of the menu bar, you'll see a list of all the functions that are available. Select average, and then highlight all the numbers that you want to find the average of. Repeat the exact sa...

Create a table with sales data with this video.

New to Microsoft Excel 2010? Looking for a few good tips and tricks? In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the very first installment in his series of Excel 2010 video tutorials, you'll learn how to use use the RANK.AVE function to average rank scores in the event of a tie. See the new Excel 2010 RANK.AVE and RANK.EQ functions.

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 90th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll see a complicated average calculation with multiple criteria using the MONTH function on a date field. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.

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 43rd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to calculate weighted average cost ending inventory value from transactional records on 2 different sheets using the COUNTIF, SUMIF and SUMPRODUCT functions.

When renovating the bathroom, it's always great to get rid of the old and welcome the new. Whether it's tiles, paint, or even the toilet. If you're looking to replace your old toilet with a new one, it can be hard when it comes to installing the new one. So in this tutorial, you'll be finding out how to install a toilet for you Average Joe's, or Jane's. So good luck, pay attention, and be careful. Enjoy!

In this video the author explains how to calculate average acceleration along with some real world examples. Now if we subtract the starting speed of a moving vehicle from its maximum speed and divide it by the time taken to reach the maximum speed from the initial speed you will obtain the average acceleration of the vehicle. The author shows this with a racing video example. If you want compute the average acceleration of a moving object watch this video and use the simple method explained ...

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 532nd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVERAGE, STDEV, MAX, MIN and SUM function to add statistical data. Specifically, this video lesson discusses how to sum and average evidence in an age discrimination case.

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 145.75th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVERAGEIF (AVERAGE IF) function to create a formula that will calculate the average when you have more than 1 criterion.

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 12th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate average and marginal tax rates with Excel.

New to 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 Excel tutorial from ExcelIsFun, the 371st installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate the average time between customer orders by adding a new column to a data set with an IF function formula.

This video shows you how to calculate weighted average cost from a transactional data set using SUMPRODUCT function. It explains things very clearly. If you're working with a very large database transactions the SUMPRODUCT function makes it. It works as text if you do the formatting first and then type the number. We put the number in first and then format as text, then press F2 and ENTER.

Fish tacos have never been so elegant. While pondering on the subject of fish tacos usually brings to mind mid-afternoon jaunts to Rubio's after a long soccermatch, tacos can be prepared and presented in a very high class manner if done right.

Microsoft Office Excel 2007 spreadsheet manager is a powerful tool that enables information workers to format spreadsheets, as well as analyze and share information to make more informed decisions. In this MS Excel video tutorial, you'll learn about using Excel to calculate average values and to pick max and min values. For more on this handy feature of Excel, watch this how-to.

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 34th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use MEAN, MEDIAN, MODE. These measures give us a typical value, a measure of central tendency one value that can repr...

The way to convert 0.300 Moles of water into Grams is to start by writing what you have. Then put grams on top and moles on the bottom, then put one by the mole, the omler mass goes by grams. Now you figure out the moler mass of water which has 2 H and 1 O, its 2 times 1 which is the atomic mass for hydrogen plus 16.0 for oxygen which gives a total of 18.0 g/mol. So then you insert the 18 up by the grams, now you can cancel out the moles and multiply 0.300 times 18.0g and it gives you 5.40 g,...

One of the best ways to monitor your diet is by measuring your body fat content. In this three part tutorial, learn how to measure body fat using a caliper. A caliper is a device used to pinch and measure the fat on your body. A caliper is cheap, fast and accurate and makes an excellent alternative to electronic devices. Check out this video and stay on top of your new workout regime - mind the scale and use the caliper to know what's muscle and what's excess.

Need some help with the mean for your math class? The mean is otherwise known as the "average" of a group of numbers. This video tutorial will show you how to find the average "mean" of a group of numbers.

Taylor Momsen, who plays Dan Humphrey's rebellious sister, Jenny, on "Gossip Girl," may be in the same cast as some of New York's most attractive mainstream beauties, but she's not just an average pretty face.

For the dedicated prankster, April Fool's Day is no joke. Nothing will stop them from coming up with the cleverest, most elaborate prank the world has ever seen. Or at least—their victim.

This is the ultimate guide to drawing correct human proportions. If you've always had trouble with it in high school art class or in art school, this video condenses all the information into a tight package that's fun and easy to understand. This will uncover all the tricks to human proportions for figure drawings.

The coolest way to do a shot? Drink it from a glass made of ice. Learn how to make a shot glass out of ice.

Watch and learn the basics of a salsa dance hand juggle performed by addicted2salsa's Julie and Anthony.

Ever hear of a Rubik's Cube, well, did you know that some people can actually solve the mighty puzzle? Yes, that right, they sure can, and so can you... maybe.

Watch this science video tutorial from Nurd Rage on how to get lithium metal from an Energizer battery. They show you how to get Lithium Metal from an Energizer Ultimate Lithium battery.

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect.

Taco Bell's in the news for umpteenth time, and today the controversy is over their infamous beef taco meat. Gizmodo leaked a picture of Taco Bell's "Taco Meat Filling" and surprise, surprise— it's missing a lot of the "meat" that it claims in its advertisements. Taco Meat Filling Ingredients

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...