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How to Work Out Percentages In your Head77

How to Work Out Percentages In your Head

Working out the percentage of a number is something you may do every day or at least a few times each month. Learn how to do it fast in your head !!

0 comments    maths percentages
How to Calculate Standard Deviation100

How to Calculate Standard Deviation

This is a hubpages article which describes how to Calculate Standard Deviation manually in six straightforward steps;- 1. Get the Mean 2. Get the deviations 3. Square these 4. Add the squares 5. Divide by total numbers less one 6. Square root of result is Standard Deviation. The article also includes a step by step How To for Excel with screenshots plus a sample Excel sheet for those who just want to see it done.

182 comments    standard deviation
How to Use the Excel Descriptive Statistics tool81

How to Use the Excel Descriptive Statistics tool

Following on from my How to Calculate Standard Deviation I have been asked to extend and expand my Math related Hubs since visitors find them easy to follow. This hub focuses on How to Use the Excel Descriptive Statistics tool. I am still using...

2 comments    standard deviation
How Many Quarts in a Gallon69

How Many Quarts in a Gallon

This is a hubpages article which describes exactly how many quarts there are in a gallon. It briefly talks about a wet galon used to measure water, gas, kero and a dry gallon, for example it is used for apples.

15 comments    how many gallon
What is Standard Deviation73

What is Standard Deviation

A description of What is Standard Deviation in plain English

4 comments    what is standard deviation
The Scream by Edvard Munch76

The Scream by Edvard Munch

The Scream is a very famous painting by Norwegian artist, Edvard Munch. Munch's subject matter is symbolist in content, depicting a state of mind rather than an external reality. Munch maintained that the impressionist idiom did not suit his art. Interested in portraying not a random slice of reality, but situations brimming with emotional content and expressive energy, Munch carefully calculated his compositions to create a tense atmosphere.

6 comments    art painting edvard munch
Beware The Ides61

Beware The Ides

Beware the Ides of ... April... the Ides were a day in the Roman calendar, that marked the approximate middle of the month, i.e., the fifteenth day in the months of March, May, July, and October, and the thirteenth day in the other eight months....

0 comments    julius caesar ides of march ides
Best Ever Images of Mars - Today hopefully61

Best Ever Images of Mars - Today hopefully

After a seven-month cruise to Mars and six months of aerobraking to reach its science orbit, Mars Reconnaissance Orbiter will seek to find out about the history of water on Mars with its science instruments. They will zoom in for extreme close-up...

0 comments    nasa planets solar system
10 Point Survival Guide65

10 Point Survival Guide

It is always too late to prepare during an event. Reaction needs to become a reflex. The best plans are those laid months or even years in advance. Approach this with a sense of fun - apart from natural disaster planning, if you're in an earthquake,...

2 comments    survival survival guide
Court Strikes Down 30-Year Old D.C. Gun Ban 67

Court Strikes Down 30-Year Old D.C. Gun Ban

In a ground-breaking opinion, the U.S. Court of Appeals for the District of Columbia Circuit recently overturned the D.C. gun ban, a three decade old prohibition on possession of firearms within the Nation's Capital. Senior Judge Lawrence H....

9 comments    laws guns second amendment
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