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Table 6 Duncan's multiple range test for the data from Table 4

From: Statistics review 9: One-way analysis of variance

α

0.05

Error degrees of freedom

396

Error mean square

208.9133

Number of means

2

3

4

Critical range

4.019

4.231

4.372

Duncan groupinga

Mean

N

 

Infection group

A

40.887

100

 

4

A

39.485

100

 

2

A

39.390

100

 

3

B

35.245

100

 

1

  1. aMeans with the same letter are not significantly different.
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Critical Care

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