In order to improve the grades of students at UTC, several incentive programs have been introduced. Results of random samples of grades from after and before the incentive programs are given below.
a.Give the hypotheses.
b.Compute the test statistic.
c.At a 0.1 level of significance, test to determine whether the incentive programs have significantly increased the average grades.
Definitions:
Sucrose
A disaccharide composed of glucose and fructose, commonly known as table sugar.
Methyl β-D-Glucopyranoside
A chemical compound derived from glucose where a methyl group replaces the hydroxyl group at the anomeric carbon.
Aldaric Acid
A type of sugar acid derived from aldoses by oxidation of both the aldehyde group and the primary alcohol group to carboxylic acids.
Optically Active
Describes a substance that can rotate the plane of polarized light, indicating chiral molecules.
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