Twenty-five students reported how many email accounts they have. The dot plot below shows the data collected:

A dot plot is shown with the title Email Accounts of Students. The values on the horizontal line are 1, 2, 3, 4, 5, and 6. The label along horizontal line is Number of Email Accounts. Put 8 dots vertically along the value 1, 6 dots vertically along the value 2, 5 dots vertically along the value 3, 3 dots vertically along the value 4, 2 dots vertically along the value 5, and 1 dot vertically along the value 6.

What do the dots above the number 3 represent?