A Regression Analysis Between Sales (Y in $1000) and Advertising

question 17

Multiple Choice

A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted in the following equation  50,000 + 6x The above equation implies that an

• A)increase of $6 in advertising is associated with an increase of $6,000 in sales
• B)increase of $1 in advertising is associated with an increase of $6 in sales
• C)increase of $1 in advertising is associated with an increase of $56,000 in sales
• D)increase of $1 in advertising is associated with an increase of $6,000 in sales

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Definitions:

Embryonic Stage

A phase of prenatal development that occurs from the second to the eighth week after fertilization, during which major body structures and organ systems begin to develop.

Germinal Stage

The initial two weeks of prenatal development after conception, characterized by cell division and the attachment of the zygote to the uterine wall.

Neonatal Stage

The period extending from birth to 28 days of life, characterizing the first phase of infancy where intensive care and monitoring are essential.

Age of Viability

The stage of fetal development when the fetus is capable of surviving outside the uterus, typically around 24 weeks of gestation.