Representative Sample DataThe total group you want to find out about is called the population...but you might not to be able to get data for every person or thi...

Mode = The Most CommonThis is easy to find in tallied data and is not distorted by extreme values. However sometimes it doesn't exist or there is more than one ...

The range tells you how spread out all the data values are. The interquartile range tells you the spread of the middle 50% of values.QuartilesQuartiles divide t...