Answer:
Mean :
Add all the numbers together and then divide by the # of numbers.
1.2 + 1.7 + 1.7 + 2.1 + 1.4 + 1.2 + 1.9 = 11.2
There are 7 numbers.
11.2 / 7 = 1.6
Median :
Median is the middle number in a list.
1.2 , 1.7 , 1.7 , 2.1 , 1.4 , 1.2 , 1.9
2.1 is the number in the middle.
