Examlex
The amount of bleach a machine pours into bottles has a mean of 36 oz.with a standard deviation of 0.15 oz.Suppose we take a random sample of 36 bottles filled by this machine.The sampling distribution of the sample mean will be approximately normal only if the population sampled is normal.
Dummy Coding
A statistical technique used in regression analysis where categorical variables are converted into a series of binary variables.
Categorical Variables
Variables that represent types or categories and are typically qualitative in nature.
Predictor Variable
A variable that is used in statistical models to forecast or predict the outcome of a dependent variable.
Regression Formula
An equation that describes the statistical relationship between one or more predictor variables and the response variable.
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