The following are the number of books issued in a school library during a week:
105, 216, 322, 167, 273, 405 and 346.
Find the average number of books issued per day.
Sum of numbers of books issued in a week = 105 + 216 + 322 + 167 + 273 + 405 + 346 = 1632
Total number of days = 7
No. of books issued per day =