APFIVE Variability in CNS Processing Times
In a study of central nervous system processing times, researchers measured the milliseconds (ms) it took for 8 participants to consciously process different types of stimuli. Voluntary movement signals took: 150, 155, 148, 152, 151, 149, 153, 147 ms. Automatic reflex signals took: 20, 22, 19, 21, 20, 18, 23, 21 ms. Calculate the range for each type of signal and determine which has more variability.
A
Both have equal ranges of 8ms
B
Voluntary range is 5ms, reflex range is 8ms; reflex has more variability
C
Both have equal ranges of 5ms
D
Voluntary range is 8ms, reflex range is 5ms; voluntary has more variability
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