Suppose That You Are Using a 9-Point Rating Scale to Compare

question 53

Multiple Choice

Suppose that you are using a 9-point rating scale to compare men who have an annual income over $50,000 (Group 1) with men who have an annual income less than or equal to $50,000 (Group 2) with regard to their assessment of a new product.There are forty men in Group 1 and they have a mean of 7 and a standard deviation of 2.5,while the 35 men in Group 2 have a mean of 5 and a standard deviation of 1.4.What is the approximate value of t using the t-test?

• A)3.43
• B)4.19
• C)5.64
• D)There is not enough information to determine this.

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Definitions:

Primary Spermatocyte

A male germ cell that undergoes meiosis to form spermatozoa, in the process of spermatogenesis.

Sertoli Cell

A type of somatic cell found within the seminiferous tubules of the testis that supports and nourishes developing sperm cells.

Zona Pellucida

The zona pellucida is a glycoprotein layer surrounding the plasma membrane of an oocyte or early-stage embryo, playing a crucial role in fertilization and preventing polyspermy.

Effaced

In medical terms, often relates to the thinning and stretching of the cervix in preparation for childbirth; in a general context, it can mean erased or made less clear.