What is the spread of the data?

The spread in data is the measure of how far the numbers in a data set are away from the mean or the median. You can also find the spread in the data set...

What key is the 3rd fret capo?

G . In respect to this, what key is Capo 4th fret? Examples of how the key changes If you play with a capo on 2nd fret a song with chords like G, C and D...