# The Properties of a Sample Mean?

A sample mean is the average of the independent variables in a data set. Smaller samples of a larger population are studied or tested to reduce research time and costs. The sample is meant to be re... Read More »
http://www.ehow.com/info_8374694_properties-sample-mean.html

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## Does a Normal Distribution Mean the Sample Size Is Accurate?

When you collect data on a sample, the data for each variable has a distribution. For continuous data (e.g., height) one of the most common distributions is the normal distribution, or bell-shaped... Read More »
http://www.ehow.com/facts_7364248_normal-mean-sample-size-accurate_.html

## Properties of Mean Deviation?

Mean and deviation are fundamental concepts that must be learned to succeed in elementary statistics classes. The mean and deviation provide details about the distribution of data. With the mean an... Read More »
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## What waves have some electrical properties and some magnetc properties?

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