Assertion: pika's range | /r/HasProperty | significant difference
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Source sentences:
text: 461–1407 mm), while the mean across extirpation sites was 593 mm (sd = 137 mm; range = 461–717 mm), a significant difference (Welch's t test for populations with unequal variance, t = 4.06; df = 3.66; P = 0.02).