Sunday
April 20, 2014

Homework Help: STATISTICS

Posted by GT on Friday, December 28, 2012 at 2:31pm.

Length of Hospital Stays: The average length of “short” hospital stays for men is slightly longer thatn that for women: 5.2 days vs. 4.5 days. A random sample of recent hospital stays for both men and women revealed the following. At ? = 0.01, is there sufficient evidence to conclude that the average hospital stay for men is longer than the average hospital stay for women?
MEN WOMEN
Sample Size 32 30
Sample Mean 5.5 days 4.2 days
Pop. Standard Deviation 1.2 days 1.5 days

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - Upon examining its records, a hospital computes the distribution of...
PHYSICS!!! - if the same ball rolls down from three different length trackways ...
medical information management - the average length of stay at hope hospital is ...
statistics - A study involving the economic burden of congestive heart failure ...
statistics - Using the average and standard devation for length variable from ...
Statistics - Length of stay in a chronic disease hospital of a certain patient ...
Math - Polygons and Quadrilaterals - A rectangle has a diagonal of length 125. ...
Math help please - 1. The ordered pairs (0, 1), (1, 4), (2, 16), (3, 64), and (4...
physics - If a rod is moving at a velocity equal to 1/2 the speed of light ...
English Expressions - 1. She has a ponytail. 2. She has pigtails. 3. She has ...

Search
Members