Question

Given here is the raw data of marks obtained
by 15 students in their final
exams. Find the arithmetic mean for the
raw data.
45, 52, 63, 38, 75, 93, 88, 76, 100, 21, 45, 81, 90,
56, 71.​

Answer 1

Add all the numbers and then divide the by the number of raw data numbers