Table. 5.
Analysis of questionnaire
| Questionnaire | Min | Max | Mean | Standard deviations | Skewness | Kurtosis | |
|---|---|---|---|---|---|---|---|
| Safety | 1 | 2 | 3 | 2.90 | .32 | -3.162 | 10.000 |
| 2 | 2 | 3 | 2.50 | .53 | .000 | -2.571 | |
| 3 | 1 | 3 | 2.70 | .68 | -2.277 | 4.765 | |
| 4 | 1 | 3 | 2.80 | .63 | -3.162 | 10.000 | |
| Operability | 1 | 2 | 3 | 2.90 | .32 | -3.162 | 10.000 |
| 2 | 2 | 3 | 2.70 | .48 | -1.035 | -1.224 | |
| 3 | 2 | 3 | 2.90 | .32 | -3.162 | 10.000 | |
| 4 | 2 | 3 | 2.80 | .42 | -1.779 | 1.406 | |
| 5 | 2 | 3 | 2.60 | .52 | -.484 | -2.277 | |
| 6 | 1 | 3 | 2.80 | .63 | -3.162 | 10.000 | |
| Satisfaction | 1 | 1 | 3 | 2.40 | .70 | -.780 | -.146 |
| 2 | 1 | 3 | 2.10 | .99 | -.237 | -2.300 | |
| 3 | 1 | 3 | 2.00 | .82 | .000 | -1.393 | |
| 4 | 1 | 3 | 1.80 | .92 | .473 | -1.807 | |
| 5 | 1 | 3 | 2.40 | .97 | -1.035 | -1.224 | |
| 6 | 2 | 3 | 2.80 | .42 | -1.779 | 1.406 | |
| 7 | 1 | 3 | 2.40 | .70 | -.780 | -.146 | |
| 8 | 2 | 3 | 2.70 | .48 | -1.035 | -1.224 | |
| 9 | 2 | 3 | 2.90 | .32 | -3.162 | 10.000 | |
| 10 | 2 | 3 | 2.80 | .42 | -1.779 | 1.406 | |
| 11 | 1 | 3 | 2.60 | .70 | -1.658 | 2.045 | |
| 12 | 2 | 3 | 2.80 | .42 | -1.779 | 1.406 | |
| 13 | 1 | 3 | 2.20 | .79 | -.407 | -1.074 | |
J Korean Soc Phys Med 2023;18:155-62 https://doi.org/10.13066/kspm.2023.18.4.155 
© 2023 J Korean Soc Phys Med