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People with little technical knowledge can become computer hackers and system crackers just with the information available on the Internet.
Total Mean
The overall average value of a dataset, calculated by summing all observations and dividing by the total number of observations.
Alternative Hypothesis
A hypothesis that proposes a statistical relationship between variables, opposite to the null hypothesis suggesting no relationship.
Main Effect
The direct impact of an independent variable on a dependent variable in an experimental design.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.
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