The forced expiratory volume (FEV1) is observed for ten patients before and after a certain intervention. Test whether there is a significant piratory Before 0.59 1.24 1.25 0.84 1.66 1.41 1.82 1.49 1.89 1.17 After 0.67 1.33 1.32 0.75 1.7 1.39 15 1.53 1.81 1.16 (Table value: 2.262)

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The forced expiratory volume (FEV1) is observed for ten patients before and after a certain intervention. Test whether there is a significant
Before 0.59 1.24 1.25 0.84 1.66
1.41 1.82 1.49 1.89 1.17
After
0.67 1.33 1.32 0.75 1.7
1.39
1.5
1.53 1.81 1.16
(Table value: 2.262)
Transcribed Image Text:The forced expiratory volume (FEV1) is observed for ten patients before and after a certain intervention. Test whether there is a significant Before 0.59 1.24 1.25 0.84 1.66 1.41 1.82 1.49 1.89 1.17 After 0.67 1.33 1.32 0.75 1.7 1.39 1.5 1.53 1.81 1.16 (Table value: 2.262)
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