A Large Company That Develops, Distributes, and Grades National Standardized $\alpha$

question 11

Essay

A large company that develops, distributes, and grades national standardized examinations wants to pilot test a new examination. A group of 20 students is used for the study. Each student is given two versions of the examination. The order in which the students take the examinations is randomly assigned. The students' scores follow.
Use Excel to test to determine if the differences in the students' scores between the two versions of the examination are significantly different. Use $\alpha$ = .10.

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Definitions:

GnRH

Gonadotropin-releasing hormone, a peptide hormone responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary.

Uterine Cycle

The monthly series of changes a woman's uterus undergoes to prepare for potential pregnancy.

Estrogen

A group of steroid hormones that promote the development and maintenance of female characteristics in the human body.

Endometrium

Mucous membrane lining the interior surface of the uterus.