Homework Help: probability and statistics

Posted by darrell on Friday, January 6, 2012 at 3:03pm.

a population forms a normal distribution with a mean of u=80 and a standard deviation of o=15. for each of the following samples, compute the z-score for the sample mean and determine whether the sample mean is a typical, representative value or an extreme value for a sample of this size.
a. m=84 for n=9 scores
b. m=84 for n=100 scores

probability and statistics - PsyDAG, Sunday, January 8, 2012 at 12:52pm
Use the same process as indicated in another of your posts.

Answer this Question

Related Questions

Math (Statistic) - Considered the sampling distribution of a sample mean ...
statistics - A population of scores forms a normal distribution with a mean of &...
college - Essentials of statistics is the subject and the question is: The ...
Statistics - Suppose that the probability distribution of a random variable x ...
Statistics - Suppose that the probability distribution of a random variable x ...
stats - the distribution of IQscores forms a normal distribution with a mean of ...
statistics - Assume the population distribution of FEV is normal with standard ...
statistics - The scores of students on the ACT college entrance examination in ...
MATH - Which of the following normal distributions has the smallest spread? A. A...
statistics - An SRS of size n is taken from a large population whose ...

For Further Reading

First Name:
School Subject:
Answer: