City government has collected the following data on annual sales tax collections and new car registrations: Annual Sales Tax Collections (in millions) $0.98 $1.42 $1.88 $2.04 $1.80 $2.14 $2.32 New Car Registrations (in thousands) 11 14 15 16 15 18 21 a) The least-squares regression equation that shows the best relationship between sales tax (in millions) and car registrations (in thousands) is (round your responses to three decimal places and include a minus sign if necessary): where y = Dependent Variable and x = Independent Variable. b) Using the least-squares regression equation, the estimated sales tax collection when the new number of registrations total is 22,000 = $ response to two decimal places). million (round your c) The coefficient of correlation for the least-squares regression =|(round your response to four decimal places). The coefficient of determination for the least-squares regression = (round your response to four decimal places).

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.CR: Chapter 1 Review
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City government has collected the following data on annual sales tax collections and new car registrations:
Annual Sales Tax Collections (in millions)
New Car Registrations (in thousands)
S0.98
$2.04
16
$1.42
$1.88
$1.80
S2.14
$2.32
11
14
15
15
18
21
a) The least-squares regression equation that shows the best relationship between sales tax (in millions) and car registrations (in thousands) is (round your
responses to three decimal places and include a minus sign if necessary):
S=ロ+ロx
where y = Dependent Variable and x = Independent Variable.
b) Using the least-squares regression equation, the estimated sales tax collection when the new number of registrations total is 22,000 = $
response to two decimal places).
million (round your
c) The coefficient of correlation for the least-squares regression
(round your response to four decimal places).
The coefficient of determination for the least-squares regression
(round your response to four decimal places).
Transcribed Image Text:City government has collected the following data on annual sales tax collections and new car registrations: Annual Sales Tax Collections (in millions) New Car Registrations (in thousands) S0.98 $2.04 16 $1.42 $1.88 $1.80 S2.14 $2.32 11 14 15 15 18 21 a) The least-squares regression equation that shows the best relationship between sales tax (in millions) and car registrations (in thousands) is (round your responses to three decimal places and include a minus sign if necessary): S=ロ+ロx where y = Dependent Variable and x = Independent Variable. b) Using the least-squares regression equation, the estimated sales tax collection when the new number of registrations total is 22,000 = $ response to two decimal places). million (round your c) The coefficient of correlation for the least-squares regression (round your response to four decimal places). The coefficient of determination for the least-squares regression (round your response to four decimal places).
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