SOLUTION: The numbers of absent days a student had in the last 5 months are {0,4,2,0,3}.
What is the approximate variance of this data?
my options are:
F 1.6
H 2.6
G
Algebra.Com
Question 450113: The numbers of absent days a student had in the last 5 months are {0,4,2,0,3}.
What is the approximate variance of this data?
my options are:
F 1.6
H 2.6
G 1.8
J 2.8
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
m=9/5=1.8
.
0-1.8=-1.8^2=3.24
4-1.8=2.2^2=4.84
2-1.8=0.2^2=.04
0-1.8=-1.8^2=3.24
3-1.8=1.2^2=1.44
===========>12.8
.
12.8/4=3.2 Variance
.
Ed
RELATED QUESTIONS
Suppose the following table represents the probability distribution for the number of... (answered by oscargut)
You are given the following data.
# of
Absent/ Final grade... (answered by stanbon,Theo)
A group of high school students was surveyed about their use of various drugs, including... (answered by venugopalramana)
Number of Days Absent per Student, Mr. Steven’s 6th grade class
7, 5, 12, 3, 0, 5, 13, (answered by stanbon)
The probabilty that it is Monday and that a student is absent is 0.05. Since there are 5... (answered by DrBeeee)
3. An expert reviews a sample of 10 scientific articles (n = 10) and records the... (answered by jenn08066)
CAN SOMEONE PLEASE HELP ME IN STATISTICS? THANK YOU SO MUCH!!!
Jane Doe is Vice... (answered by stanbon)
they are 424 pupils in a school
4 pupils was absent
what is the precentage of the... (answered by ankor@dixie-net.com)
Lester Hollar is vice president for human resources for a large manufacturing company. In (answered by stanbon)