Math
posted by Rhiannon .
4th grade math problem:
Paper route money collected
Monday $4.00
Tuesday $2.50
Wednesday $6.00
Thursday $7.50
Friday $4.00
She's being asked for the "median" and the "mode" of this table.
Really my question is, what is a mode?

The mode is the number that appears most often.
http://mathforum.org/library/drmath/sets/select/dm_mean_median.html 
Thank you!