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What is a median in math?

What is a median in math? The median is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average. Median is the middle number in a sorted list of numbers. To determine the median value in a sequence of numbers, the numbers must first be sorted, or arranged, in value order from lowest to highest or highest to lowest. If there is an odd amount of numbers, the median value is the number that is in the middle, with the same amount of numbers below and above. If there is an even amount of numbers in the list, the middle pair must be determined, added together, and divided by two to find the median value. The median is sometimes used as opposed to the mean when there are outliers in the sequence that might skew the average of the values.  You may like What is manifesting? What is electric Charge? What is Binary? What is physics? What is pH scale? What is quantum mechanics?

The importance of Studying Chemistry

The importance of Studying Chemistry

Imagine what happens on a typical day with you You use toothpaste, once you get up from bed in the morning. Then you start reading your books. Your mother serves you biscuits and tea. After finishing that, you take your bath.

When you enter the washroom, you find it a bit unclean. You use toilet cleaner to clean it and then have a bath using scented soap and shampoo. You use lotions after a bath. Then you take your breakfast and go to school.

The teacher there uses chalk on the board to simplify your lessons. Now, do you see, all the things you are using, e.g. paste, tea, toilet cleaner, soap, shampoo, chalk, etc. are contributions of chemistry.

Not only that, we use fertilizers to increase the fertility of fields, use insecticides to keep away insects from our crops, preservatives to store the food for a longer time. This way, the whole process of food and cultivation is dependent on chemistry.

Today, cholera, typhoid, tuberculosis, etc. are curable diseases but they were once killer diseases. Millions of people died of them in the ancient days. Humans have invented cures for them by means of their knowledge of chemistry. Nowadays, the field of medicine has developed so much that many people are cured of different cancers too.

Chemical wastes from industries, vehicles, consumer products, etc. are doing harm to our environment. These contain carbon dioxide, carbon monoxide, sulfur dioxide, various acids, heavy metals like mercury, lead, arsenic, cobalt, etc. 

When they come to contact with the air, the air is polluted, when they come in touch with water, water gets polluted. They enter human bodies and harm them. Again, the use of excess chemicals is harmful to us. Insecticides help us save our crops but excess insecticide gets washed away to the water bodies, polluting the water.

Some of it gets vaporized and pollutes the air. Chemistry tells you all these natural and life-oriented facts.

By now you should have understood that chemistry plays a significant role in our advancement but excess of it is harmful to us and nature as well. Many diseases are still there which do not have cures. Our duty is to study chemistry and try inventing those drugs. 

Therefore, learning chemistry does not only benefit us by means of newer inventions, it also helps us realize how we are harming our nature. Your learning chemistry will take the world steps ahead. That is our expectation.

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