Refer to Exercise 82. Suppose Centennial is interested in conducting the study only for the Portland, Oregon,
Question:
Refer to Exercise 82. Suppose Centennial is interested in conducting the study only for the Portland, Oregon, metropolitan area, where the list of nurses in the targeted category has just 245 names. What sample size would you recommend?
In Exercise
Centennial Medical Research plans to conduct a national survey to determine average monthly salaries for registered nurses with over 10 years of hospital experience. The company has obtained a registry of 69,100 such nurses and plans to draw a sample from this list. If researchers want to construct a 99% confidence interval estimate in which the margin of error will be no more than $20, how large a sample should be taken?
Step by Step Answer:
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed