math
posted by Anonymous .
In each case, consider what you know about the distribution
and then explain why you would expect it to be
or not to be normally distributed.
a. The wealth of the parents of students attending your
school
b. The values that a group of fourthgrade students
would give for the length of a segment that they
measured with a ruler
c. The SAT or ACT examination scores in mathematics
for students who were in your high school
graduation class
d. The weights of all incoming freshman students at
your school
*I have no idea how to even start answering these problems*

math 
Ms. Sue
This site may help you understand normal distribution.
http://www.netmba.com/statistics/distribution/normal/
The first one (letter a.) would depend upon the school. Some schools have many welltodo families and only a few lowincome famiies. Others would have more of a normal distribution of incomes.
I would guess that b. would be normal distribution.
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