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. Author manuscript; available in PMC: 2006 Oct 20.
Published in final edited form as: J Child Lang. 2006 Aug;33(3):439–459. doi: 10.1017/s0305000906007458

Table 5.

Mean, standard deviation, and range for each variable

April Peter Allison
Age M 29 27 25
SD 5 4 6
Range 22-35 21-37 16-34
Density M 10 8 10
SD 8 8 8
Range 0-31 0-33 0-32
Frequency M 2.68 2.55 2.80
SD 0.94 0.80 0.96
Range 1.00-5.03 1.00-5.00 1.00-5.03
Length M 3.94 4.16 3.71
SD 1.45 1.36 1.22
Range 2-10 2-10 2-9
Segment average M 0.048 0.048 0.046
SD 0.015 0.015 0.015
Range 0.007-0.084 0.007-0.085 0.007-0.092
Biphone average M 0.0038 0.0041 0.0038
SD 0.0028 0.0028 0.0027
Range 0.0001-0.0164 0.0001-0.0164 0.0001-0.0164
Number of tokens 2,184 26,234 1,752