Appropriate Sample Size

This topic has 3 replies, 3 voices, and was last updated 14 years, 4 months ago by Eddie Hearns, MA, CPC.

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February 25, 2004 at 5:13 pm #24194

JP
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I’m currently looking for some assistance on determining the appropriate sample size from a population of 150 associates. We’re currently in the process of surveying our associates on satisfaction with the company and would like to make sure that we have the appropriate representation from the group. Can anyone advise me on calculating the sample size based on a population of 150?
We’re looking to make a difference of 9% and we’re unaware of the std. deviation for the population.
Thanks!

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February 27, 2004 at 3:47 am #58022

Wayne
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With a 95% confidence level, and +/- 5% error, your looking at a sample size of about 108.
Wayne

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March 4, 2004 at 6:11 pm #58028

JP
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Thanks!

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March 5, 2008 at 8:34 pm #59284

Eddie Hearns, MA, CPC
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Check this website for the information.
http://www.surveysystem.com/sscalc.htm

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