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Classroom Tools: iPad in Education

Select an iPad App for Taking Class Notes

Teachers and students both need a good note taking iPad app for classroom use. Many note taking apps exist for the iPad, but a good note-keeping app should satisfy the following requirements. [more…]

Classroom Tools: iPad in Education

Learning in the Classroom via the Twitter iPad App

Educators are discovering the power of learning via Twitter. Through Twitter for iPad, teachers can share news, opinions, and important information about education, especially on best ways to use an iPad to enhance learning in a classroom setting. [more…]

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Statistics

Measures of Association

Measures of association quantify the strength and the direction of the relationship between two data sets. Here are the two most commonly used measures of association: [more…]

Statistics

Measures of Central Tendency

Measures of central tendency show the center of a data set. Three of the most commonly used measures of central tendency are the mean, median, and mode. [more…]

Statistics

Measures of Central Dispersion

Measures of central dispersion show how "spread out" the elements of a data set are from the mean. Three of the most commonly used measures of central dispersion include the following: [more…]

Statistics for Big Data For Dummies Extras

Statistics for Big Data For Dummies Cheat Sheet

Summary statistical measures represent the key properties of a sample or population as a single numerical value. This has the advantage of providing important information in a very compact form. It also [more…]

Statistics for Big Data For Dummies Extras

10 Key Concepts in Hypothesis Testing

Hypothesis testing is a statistical technique that is used in a variety of situations. Though the technical details differ from situation to situation, all hypothesis tests use the same core set of terms [more…]