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sampling error

Should Confidence Intervals or Tests of Significance be Used?

by Christos Giannoulis  Leave a Comment

What is a Confidence Interval?

Any sample-based findings used to generalize a population are subject to sampling error. In other words, sample statistics won’t exactly match the population parameters they estimate.

[Read more…] about Should Confidence Intervals or Tests of Significance be Used?

Tagged With: confidence interval, p-value, sampling error, significance testing, statistical significance

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Sampling Error in Surveys

by guest contributer  Leave a Comment

Author: Trent Buskirk, PhD.

What do you do when you hear the word error?  Do you think you made a mistake? 

Well in survey statistics, error could imply that things are as they should be.  That might be the best news yet–error could mean that things are as they should be.

Let’s break this down a bit more before you think this might be a typo or even worse, an error. [Read more…] about Sampling Error in Surveys

Tagged With: complex sampling, margin of error, sampling error, simple random sample, survey

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