The Following Data Represent the Demand (Y) of an Item

question 50

Short Answer

The following data represent the demand (Y) of an item at a local shop and their price (X).
Use the data to determine the simple regression equation of price on demand if the correlation coefficient between x and y is -0.92.

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Definitions:

Pupil Dilation

The enlargement of the pupil, the black center of the eye, in response to various factors such as low light, arousal, or certain drugs, to allow more light to enter the eye.

Accelerated Heartbeat

An increase in heart rate, which can be a physiological response to exercise, stress, or emotional states.

Medulla

The lower part of the brainstem, responsible for regulating vital bodily functions such as heartbeat and breathing.

Selectively Attend

The process by which individuals focus on certain stimuli while ignoring others in their environment.