Wednesday
April 1, 2015

Homework Help: statistics

Posted by erica on Friday, May 11, 2012 at 11:51am.

a final exam in statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - 7) A final exam in Statistics has a mean of 73 with a standard ...
stats - A final exam in Math 160 has a mean of 73 with standard deviation 7.73. ...
statistics - Scores on a national writing exam are approximately normally ...
Statistics - . A random sample is selected from a normal population with a mean ...
Statistics - 1. The scores of students on the ACT college entrance examination ...
Statistics - An IQ test is designed so that the mean is 100 and the standard ...
statistics - Suppose a random sample of 25 students is selected from a community...
statistics - The scores of students on the ACT college entrance examination in ...
Statistics - Help me understand this problem, I have several more like this & ...
Statistics - Thirty random students took a calc test. If the sample mean was 90...

Members