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Table 2

Average color values of OHM and non-OHM samples.

Samples W1 − W2 W2 − W3 W3 − W4

All OHMs 0.84 ± 0.05 4.15 ± 0.05 3.06 ± 0.05
Arecibo OHMs 0.80 ± 0.05 4.17 ± 0.07 2.96 ± 0.06
Non-OHMs 0.76 ± 0.03 3.91 ± 0.05 2.79 ± 0.03
t-Test Prob.a 0.574 0.002 1.48E-6
t-Test Prob.b 0.171 0.018 0.012

Notes. t-Test probabilities for comparisons between: ; and

(a)

the entire OHM and the non-OHM sample

(b)

the Arecibo OHM and the non-OHM sample.

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