What is the formula of Mean Median and mode respectively? Please help
Answers
Mean is the average of all the given data. It is the sum of all the numbers of the list divided by the number of items in a list. Say, we have this particular data:
- 17, 13, 15, 20, 14
To get the mean, we add all of the numbers and divide it into 5 (there are five numbers in the list).
- (17 + 13 + 15 + 20 + 14) / 5
- 79 / 5
- 15.8
Therefore, the mean of the data is 15.8.
Median is the middlemost term in a list of numbers arranged by ascending order. We will use this list again:
- 17, 13, 15, 20, 14
Before anything else, we should first arrange the terms into ascending order.
- 13, 14, 15, 17, 20
As you can see, the middlemost term is 15, so our median is 15.
But wait...
- 13, 14, 15, 17, 20, 21
What if there are two middlemost terms, like in the given list above? Well, all you need to do is to get the mean of those two terms. Hence, (15 + 17) / 2 = 16, which is the median.
Mode is the term that appears most often in a list. Let's use a different list:
- 11, 12, 12, 12, 14, 15, 17, 19, 19, 21, 23
The mode in this list is 12, since it appears three times on this list, which is the most number of appearances any number in this list has.
Hope you learned something new! Mark brainliest lol