Gas Tax and Fuel Use The data below indicate he state gas tax in cents per gallon and the fuel use per registered vehicle (in gallons). What is the correlation coefficient (r) between tax and sage? Таx 21.5 23 18 24.5 26.4 19 Usage 1062 631 920 686 736 684

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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n 34
Gas Tax and Fuel Use The data below indicate
ete
the state gas tax in cents per gallon and the fuel use per registered vehicle (in gallons). What is the correlation coefficient (r) between tax and
usage?
out of
Тах
21.5
23
18
24.5
26.4
19
Usage
1062
631
920
686
736
684
Transcribed Image Text:n 34 Gas Tax and Fuel Use The data below indicate ete the state gas tax in cents per gallon and the fuel use per registered vehicle (in gallons). What is the correlation coefficient (r) between tax and usage? out of Тах 21.5 23 18 24.5 26.4 19 Usage 1062 631 920 686 736 684
C.
44
O d. 158
The school librarian wants to determine how many students use the library on a regular basis. What type of sampling method would she use if
she chose to select every 3rd student who enters the library on Tuesday.
Transcribed Image Text:C. 44 O d. 158 The school librarian wants to determine how many students use the library on a regular basis. What type of sampling method would she use if she chose to select every 3rd student who enters the library on Tuesday.
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