use statistical analysis to compare PEF measured by peak flow meter and spirometer in the study group. The t-value is 3.44228. The p-value is… | Cheap Nursing Papers
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use statistical analysis to compare PEF measured by peak flow meter and spirometer in the study group. The t-value is 3.44228. The p-value is…

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use statistical analysis to compare PEF measured by peak flow meter and spirometer in the study group.

The t-value is 3.44228. The p-value is .001098. The result is significant at p < .05.

PEF meter

Population size:29

Mean (μ): 449.65517241379

Variance (σ2): 4837.8121284185

PEF spirometer(L/min)

Population size:29

Mean (μ): 374.48275862069

 Variance (σ2): 8515.2841854935

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