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Mira la respuestaMira la respuesta done loading Muestra el texto de la transcripción de la imagenPregunta: A study was conducted to investigate the relationship between age (in years) and CAS (blood alcohol concentration) measured when car drivers stopped for driving under the influence of toxic substances were first arrested. Below are sample data from randomly selected subjects (based on data from the Dutchess County STOP-DWI Program).
A study was conducted to investigate the relationship between age (in years) and CAS (blood alcohol concentration) measured when car drivers stopped for driving under the influence of toxic substances were first arrested. Below are sample data from randomly selected subjects (based on data from the Dutchess County STOP-DWI Program).
Edad 17.2 43.5 30.7 53.1 37.2 21.0 27.6 46.3 CAS 0.19 0.20 0.26 0.16 0.24 0.20 0.18 0.23 Based on the result, we want to know if the level of CAS is related to the age of the people submitted approved.
Calculate the correlation coefficient appropriate to these data (they are known not to come from a normal population and calculate the p-value for the case of H0:p = 0; H1:p= 0.
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Hypotheses are:
Let us first find sample correlation coefficient (r):
Total
X
17.2
43.5
30.7
53.1
37.2
21.0
27.6
46.3
276.6
Y
0.19
0.20
0.26
0.16
0.24
0.20
0.18
0.23
1.66
X^2
295.84
1892.25
942.49
2819.61
1383.84
441.00
761.76
2143.69
10680.48
Y^2
0.0361
0.0400
0.0676
0.0256
0.0576
0.0400
0.0324
0.0529
0.3522
XY
3.268
8.700
7.982
8.496
8.928
4.200
4.968
10.649
57.191
Sample correaltion coefficient i...
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