P R 309 Study Guide - Final Guide: Standard Score, Coefficient Of Determination, Normal Distribution

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17 May 2019
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Refer to written notes for what graphs look like. Remember that p or level of significance must be less than or equal to . 05 to be considered significant and interaction must also be less than or equal to . 05 to be considered an interaction between the factors. Standardization is the process of putting different variables on the same scale. This process allows you to compare scores between different types of variables. For instance, a standardized value of 2 indicates that the observation falls 2 standard deviations above the mean. Defined as the number of standard deviations from the mean. Useful in comparing variables with very different observed units of measure. Allows for precise predictions to be made of how many of a population"s scores fall within a score range in a normal distribution. Probably don"t need to know how to calculate it for the test.

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