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In order to know what mean, median and mode are, we need to have knowledge on basic addition, multiplication, division & data sets. Data sets can be mathematically described in various ways. One common way is to use different kinds of averages. mean, median, and mode are examples of averages. Along with range, they help to summarize the data. Mean  - The mean is what people usually show when they say “average”. You can calculate the mean by adding up all the numbers in the data and then dividing by how many numbers there are. For example, if you have 12 numbers, you add them up and divide by 12. This will give you the mean of the data. Median - The median is the middle number of the data set. It is just as it sounds. To find the median you put all the numbers in order (from lowest to highest or highest to lowest) and then pick the middle number. If there is an odd number of data points, then you will have only one middle number. If there is an even number of data points, then ...

In order to divide a proper fraction by a proper fraction, we need to have knowledge on numerator, denominator and know how to multiply fractions  To understand the concept more clearly, we need an example for such a question and we may take an example, say - Without further ado, let's begin! Step 1 - Keep the first fraction ( leave it unchanged ) Step 2 - Flip the second fraction ( If the fraction was {1/2} it would now be {2/1} which is 2.)  Step 3 - Change the ÷ (division) sign to the multiplication sign. So in the question it would look something like this :  Q- 2/3 ÷ 3/7 = 2/3 × 7/3  ( Now you just multiply the numerator with the other numerator and the denominator with the other denominator )  Foe ease of remembrance take a look at a famous fast food chain -  KFC! Let's cut to the chase and ponder over why KFC and not Subway or Pizza Hut, It is so because KFC  (in our lesson) stands for something really helpful in...