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Test the claim that the paired sample data is from a population with a mean difference of 0. Assume the
samples are random and dependent, and the populations are normally distributed. Use
Stem-And-Leaf Plot
A graphical representation of quantitative data that allows for the shape of the distribution to be easily seen, sorting data into "stems" and "leaves."
Interquartile Range
The difference between the 75th and 25th percentiles of a data set, representing the middle 50% of values.
Boxplot
A graphical representation of data that shows the distribution's five-number summary: minimum, first quartile, median, third quartile, and maximum.
Inner Fences
Calculations in a boxplot used to identify potential mild outliers, determined using factors of the interquartile range below the first quartile or above the third quartile.
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