1 2 3 4 5 6 7 8 9 YEAR 10 NUMBER OF PATIENTS 36 33 40 41 40 55 60 54 58 61 ROBBERY RATE PER 1,000 58.3 61.1 73.4 75.7 81.1 89.0 101.1 94.8 103.3 116.2 POPULATION

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question

Dr. Lillian Fok, a New Orleans psychologist, spe-
cializes in treating patients who are agoraphobic (i.e., afraid

to leave their homes). The following table indicates how many
patients Dr. Fok has seen each year for the past 10 years. It also
indicates what the robbery rate was in New Orleans during the
same year:

 

Using trend (linear regression) analysis, predict the number of
patients Dr. Fok will see in years 11 and 12 as a function of time.
How well does the model fit the data?  

1 2 3 4 5 6 7 8
9
YEAR
10
NUMBER
OF PATIENTS
36 33 40 41 40 55 60
54 58
61
ROBBERY RATE
PER 1,000 58.3 61.1 73.4 75.7 81.1 89.0 101.1 94.8 103.3 116.2
POPULATION
Transcribed Image Text:1 2 3 4 5 6 7 8 9 YEAR 10 NUMBER OF PATIENTS 36 33 40 41 40 55 60 54 58 61 ROBBERY RATE PER 1,000 58.3 61.1 73.4 75.7 81.1 89.0 101.1 94.8 103.3 116.2 POPULATION
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