The boxplots below compare various chemokines in amniotic fluid (GRO-α, interleukin-8, and L-selectin) in patients with (IAI) and without intra-amniotic infection (non-IAI). Amniocentesis was performed on 45 pregnant women with preterm contractions, labor, or rupture of membranes. Fourteen patients had intra-amniotic infection, and 31 did not. a)Based on the boxplots which chemokine has the most variability in the Non-IAI group? b) Based on the boxplots which chemokine has the most variability in the IAI group?
The boxplots below compare various chemokines in amniotic fluid (GRO-α, interleukin-8, and L-selectin) in patients with (IAI) and without intra-amniotic infection (non-IAI).
Amniocentesis was performed on 45 pregnant women with preterm contractions, labor, or rupture of membranes. Fourteen patients had intra-amniotic infection, and 31 did not.
a)Based on the boxplots which chemokine has the most variability in the Non-IAI group?
b) Based on the boxplots which chemokine has the most variability in the IAI group?
c) Suppose you were considering performing a two-sample test comparing the chemokines between non-IAI and IAI populations. Based on visual inspection alone, does it seem reasonable to pool the variances for any of the chemokines compared in the boxplot above? If yes, then list the chemokines and explain. If no, very briefly explain why.
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