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# Mean and Median

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How can the mean and median be used to estimate how well a class does on a test?

Explain how extreme value changes each and when each one is appropriate.

##### Solution Summary

The expert examines mean and median by use to estimate how well a class does on a test. A complete, neat and step-by-step solution is provided.

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(a) The mean of a set of numerical data is the sum of the set divided by the number of observations, that is, their average. Therefore, by calculating the mean score for a class of students, we can determine the performance of the class on an average. This is the simplest measure to calculate.

The median of a distribution is the value which divides the distribution so that an equal number of values lie on either ...

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.