Homework Help: math

Posted by jennifer on Sunday, May 6, 2012 at 5:38pm.

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

math - PsyDAG, Monday, May 7, 2012 at 12:35pm
95% = mean ą 1.96 SEm

SEm = SD/√n

Answer this Question

Related Questions

Math - A sample of 64 statistics students at a small college had a mean ...
Math - A sample of 64 statistics students at a small college had a mean ...
AP Statistics - Sampling Distribution Help - The composite scores of students on...
AP Statistics - sampling distribution help - The composite scores of students on...
AP - The composite scores of students on the ACT college entrance examination in...
Statistics - Help me understand this problem, I have several more like this &...
statistics - Reading placement scores for a particular college are normally ...
statistics - The mean GPA (grade point averagE. of all male students at a ...
Probability and Statistics - The ACT scores of applicants to college are ...
statistics in psychology - An analysis of the combined SAT scores (Verbal + ...

For Further Reading

First Name:
School Subject:
Answer: