Table 7.
Statistical analysis and normality test for the current status of various measurement factors.
Md1 | Qi2 | Mean | Sd3 | skewness | kurtosis | Pm4 | Psd5 |
---|---|---|---|---|---|---|---|
TY | TY1 | 5.10 | 1.211 | -.179 | .238 | 5.131 | 1.109 |
TY2 | 5.12 | 1.187 | -.031 | -.020 | |||
TY3 | 5.13 | 1.217 | -.157 | .116 | |||
TY4 | 5.17 | 1.168 | -.110 | .057 | |||
HD | HD1 | 5.15 | 1.350 | -.085 | -.368 | 5.108 | 1.164 |
HD2 | 5.16 | 1.258 | -.149 | -.167 | |||
HD3 | 4.98 | 1.328 | -.098 | .232 | |||
HD4 | 5.14 | 1.253 | -.180 | -.002 | |||
YX | YX1 | 5.02 | 1.199 | -.049 | -.271 | 5.045 | 1.028 |
YX2 | 5.07 | 1.199 | .018 | -.023 | |||
YX3 | 5.01 | 1.161 | .081 | -.088 | |||
YX4 | 5.08 | 1.066 | .122 | .130 | |||
XR | XR1 | 5.07 | 1.170 | -.062 | .157 | 5.038 | 1.109 |
XR2 | 5.01 | 1.124 | .132 | .025 | |||
XR3 | 5.06 | 1.140 | .057 | -.096 | |||
XR4 | 5.01 | 1.107 | .172 | -.121 | |||
ZCD | ZCD1 | 4.54 | 1.000 | -.006 | .370 | 4.602 | .086 |
ZCD2 | 4.62 | .895 | .091 | .195 | |||
ZCD3 | 4.64 | .906 | -.149 | .323 | |||
ZCD4 | 4.60 | .874 | -.165 | .301 |
Measurement dimension.
Question items.
standard deviation.
population mean.
population standard deviation.