Purchase Solution

Normal Distribution

Not what you're looking for?

Ask Custom Question

A) What is normal distribution?

b) given a certain data set, how can you determine whether the data set is normally distributed or not?

c) Why do we want to test if the data is normally distributed?

Purchase this Solution

Solution Preview

What is normal distribution?

A normal distribution is a continuous distribution which models any variable that tends to cluster around the mean, while the probability decreases as we approach the ends. For example, the average height of adults can be modelled by a normal distrbution because most people's heights are close to the mean (somewhere around 170cm), whereas less people fall on the extreme sides (both extreme tall and extreme short). Class marks can also be modelled using a ...

Purchase this Solution

Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

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.