Average means add eveybody and divide by how many there are
5 lants
(4+3.5+4.5+4.2+3.8)/5=4
average is 4
dunno standard deviation
-3 + (-4)= -7
-3 times -4=12
negative plus a negative is still a negative. negative times a negative is a positive.
Answer: 11/288
explanation:
8x4=32
9x32=288
11/288
The mean is 65 and the median is 15
