The number of patients treated at dr. frank's dentist office each day was recorded for seven days: 8, 14, 12, 17, 4, 6, 2. using the given data, find the mean for this sample.

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.