The following data show the test scores of six individuals on a standardized test before and after attending a preparation seminar for the test. 
Use the Wilcoxon Signed-Rank test in order to determine whether or nor the seminar has been effective. Hint: This is a one tailed test. Let = 0.05.
Definitions:
Oils
Organic compounds that are liquid at room temperature and are hydrophobic, not mixing with water but mixing with other oils and organic solvents.
Carbohydrate
Organic compounds made up of carbon, hydrogen, and oxygen that serve as a major source of energy in the diet of animals, including sugars, starch, and cellulose.
Saccharide
A saccharide is a sugar or a substance made up of sugar molecules, ranging from simple monosaccharides like glucose to complex polysaccharides like starch.
Term
A word or phrase used to describe a specific concept or a period of time.
Q5: Refer to Exhibit 17-1. The unweighted aggregate
Q13: Refer to Exhibit 15-2. To test for
Q16: A group of items such as incoming
Q17: Refer to Exhibit 19-6. The null hypothesis
Q26: Refer to Exhibit 19-2. The mean and
Q32: Refer to Exhibit 22-1. The point estimate
Q43: In a completely randomized experimental design, 18
Q47: If data for a time series analysis
Q73: An experimental design that permits statistical conclusions
Q89: Refer to Exhibit 15-6. The degrees of