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

question 141

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:

Basilar Membrane

A membrane in the cochlea of the inner ear that moves in response to sound, allowing for hearing.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear and is involved in the transmission of sound vibrations to the cochlea.

Photoreceptors

Cells located in the retina of the eye that are sensitive to light, enabling vision by converting light into chemical and electrical signals.

Mucus Secretion

The production and release of mucus by glands and cells in the body, serving to protect and lubricate surfaces and trap pathogens.