Below You Are Given a Partial Computer Output Based on a Sample

question 37

Essay

Below you are given a partial computer output based on a sample of 12 observations relating the number of personal computers sold by a computer shop per month (Y), unit price (X₁ in $1,000) and the number of advertising spots (X₂) used on a local television station.
a. Use the output shown above and write an equation that can be used to predict the monthly sales of computers.
b. Interpret the coefficients of the estimated regression equation found in Part a.c. If the company charges $2,000 for each computer and uses 10 advertising spots, how many computers would you expect them to sell?
d. At  = 0.05, test to determine if the price is a significant variable.e. At  = 0.05, test to determine if the number of advertising spots is a significant variable.

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Definitions:

ICD-10

The 10th revision of the International Classification of Diseases, a medical classification list by the World Health Organization.

Accident

An unexpected and unintended event, often resulting in damage or injury.

Injury

Physical harm or damage to the body caused by an external force, which can result in pain or dysfunction.

Chief Complaint

The primary symptom or health issue that a patient states as the reason for seeking medical attention.