The number of ways an event can occur in a sample space divided by the number of members in a sample space

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How do you work out standard error for a data set?

Standard deviation divided y the square root of the number of data points in the set

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When can you use a parametric test?

When continuous variables have a normal distribution, when spread of groups being tested is different , if the data set is skewed BUT sample size is large

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What is the assumption which goes along with parametric tests?

Data is normally distributed

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What can you do if your data set isn't easily distributed?

Transform the data through logs, square roots and arcsine or use non-parametric tests

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What does the chi squared test compare?

Observed data with expected data

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What is a poisson distribution?

A discrete frequency distribution resulting from events happening randomly

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Other cards in this set

Card 2

Front

What is the formula to work out max walking speed?

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