The number of patients treated at dr. white's dentist office each day for nine days is 10, 6, 4, 15, 6, 8, 6, 15, 4. find the mean, median, mode, and range of the
if necessary, round to the nearest tenth.
a) 6,7.2, 6, 11
b) 8.2, 6, 6, 11
c) 8.2, 6, 6, 19
d) 7.2, 6, 6, 19