Wednesday
December 17, 2014

Homework Help: statistics

Posted by kathy on Monday, July 30, 2012 at 9:31am.

The National Center for Education surveyed 4400 college graduates about the lengths of time required to earn their bachelor's degrees. The sample mean is 5.15 years, and assume that standard deviation is known to be 1.68 years. Based on the sample data, construct the 99% confidence interval for the mean time required by all college graduates. Also determine the margin of error, E.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - The National Center for Education surveyed 4400 college graduates about ...
statistics - The Colorado State Legisture wants to estimate the length of timer ...
Statistics - For the most recent seven years, the U.S. Department of Education ...
Statistics - For the most recent seven years, the U.S. Department of Education ...
STAT - 1. In a study of the income of U.S. factory workers, a random sample of ...
Business & Economics - For the most recent seven years, the U.S. Department of ...
Statistics - An admissions director wants to estimate the mean age of all ...
statistics - An IQ is designed so that the mean is 100 and the standard ...
Statistics - Recently, a university surveyed recent graduates of the English ...
Statistics - a. What is the probability that a sample of 50 male graduates will ...

Search
Members