Examlex
If you add rows or columns to a spreadsheet Excel will automatically adjust named ranges to compensate.
Means
Statistical measures that represent the average value in a set of numbers, calculated by dividing the sum of all numbers by the count of numbers.
Null Hypothesis
The default hypothesis that there is no effect or no difference, and any observed deviation from this state is due to chance.
Directional
Pertaining to a hypothesis or research that specifies the direction of an expected relationship or difference between variables.
Alternative Hypothesis
The hypothesis stating there is a significant difference or effect, tested against the null hypothesis.
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