The table below shows Janelle's and Braden's scores on nine different math quizzes.

Janelle
86
100
98
83
88
96
100
82
95

Braden
92 88 100 78 89 79 86 82 82

What is the approximate difference between Janelle's and Braden's average quiz scores?

A. 6
B. 4
C. 9
D. 7