Math Averages

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MATH AVERAGES

I have created a mind map for students. This is a subject that is easily confused by students. I hope by the videos and explanations that I provided students will be able to distinguish better between all of these.

More Math Help

Video

This a student friendly video about mean, median and mode

https://www.youtube.com/watch?v=5C9LBF3b65s

Range

The Range is the difference between the largest number and the smallest number.

Difference between the largest and smallest numbers

Mode

The mode is the number that appears the most often in a group of numbers. If there is not a number that is repeated, then there is no mode.

Most Often

If no numbers are repeated there is no mode

Median

The median is the middle value of a group of numbers. The numbers need to be placed in order from smallest to largest. Count how many numbers there are determine the middle number. One way to figure this is: The numbers of data points +1 then divide by 2.

Middle Value

List all numbers in order

([The numbers of data points] + 1 Divide by 2)

Mean

Mean is the average of a group of numbers. Add all the numbers together and take the total, divide by the numbers of numbers in the problem. That is the average of a group of numbers.

Regular meaning of "Average

Add all numbers together &

Divide by the amount of numbers