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Table 6 Descriptive statistics of NCT and JC

From: Can the National Center Test in Japan be replaced by commercially available private English tests of four skills? In the case of TOEFL Junior Comprehensive

  NCT JC
Reading Listening Total Reading Listening Speaking Writing Total
Average 141.05 36.69 177.74 151.97 149.40 7.97 7.27 40.41
SD 42.19 9.25 49.83 5.12 5.20 2.72 2.70 14.75
Max 200 50 248 160 160 13 13 70
Min 30 10 52 140 140 0 1 5
Skewness −0.82 −0.70 −0.79 −0.78 −0.09 −0.55 −0.11 −0.41
Kurtosis −0.17 −0.42 −0.23 −0.25 −0.78 0.05 −0.53 −0.47
  1. SD Standard deviation