A Regression Analysis Between Demand (Y in 1000 Units) and Price

question 39

Multiple Choice

A regression analysis between demand (y in 1000 units) and price (x in dollars) resulted in the following equation: ​ = 9 - 4x
​
The above equation implies that if the price is increased by $1, the demand is expected to

• A) increase by 5 units.
• B) decrease by 4 units.
• C) decrease by 5000 units.
• D) decrease by 4000 units.

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Definitions:

Mucosa

A moist tissue layer that lines certain internal surfaces of the body, including the nose, mouth, lungs, and digestive tract.

Colon

Division of the large intestine that extends from the cecum to the rectum.

Goblet Cells

Specialized epithelial cells found within the respiratory and intestinal tracts that secrete mucus to trap pathogens and particles.

Pancreatic Juice

External secretion of the pancreas; clear, alkaline fluid containing several enzymes.