Recently,a Department Store Chain Was Interested in Determining If There

question 97

Multiple Choice

Recently,a department store chain was interested in determining if there was a difference in the mean number of customers who enter the three stores in Seattle.The analysts set up a study in which the number of people entering the stores was counted depending on whether the day of the week was Saturday,Sunday,or a weekday.The following data were collected: Given this format,which of the following is true?

• A)The day of the week would be considered the blocking factor in the study.
• B)There are six treatments.
• C)This is a balanced design since the number of rows and columns is equal.
• D)All of the above are true.

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Definitions:

Cranium

The part of the skull that encloses the brain.

Pharyngeal Pouches

Embryonic structures in vertebrates that may develop into various parts of the face, neck, and respiratory system.

Notochord

A flexible, rod-shaped structure found in the embryonic stage of all chordates that provides skeletal support and defines the primitive axis of the embryo.

Dorsal Hollow Nerve Cord

A distinctive feature of chordates, this is a nerve cord found along the back or dorsal side of the organism.