Answer:
(a) 10.3
(b) 11
Step-by-step explanation:
(a) Step 1: mean is the average of a set of numbers. Add them all together and then divide by how many numbers you were given
11+12+5+11+8+13+12 = 72
Step 2: There are 7 numbers so you divide 72 by 7
72/7 = 10.28
(a) The mean equals 10.3
(b) Step 1: Median is the middle number in a list of numbers. Line the numbers up in order and find the middle one.
5, 8, 11, 11, 12, 12, 13
(b) the median equal 11
