Sketch the graph of the solution set of each system of inequalities. 
Definitions:
Paired-Difference T-Test
A statistical method used to compare two related or paired groups by analyzing the differences within each pair.
Wilcoxon Signed-Rank Test
A statistical test not based on parameter assumptions that is employed to evaluate two related samples, matched samples, or repeated observations within the same sample to determine if there is a difference in their population mean ranks.
Sample Sizes
Refers to the number of observations or data points collected in a sample from a population.
Normally Distributed
A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
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