Table 3 Difficulty values given by dental undergraduates and graduate dentists to MTM 48 of radiograph 8 shown in the survey. U Mann–Whitney test
Valid N | Mean | Standard Deviation | Median | Percentile 25 | Percentile 75 | Minimum | Maximum | |||
|---|---|---|---|---|---|---|---|---|---|---|
8. Extraction of 4.8 | Group 1 | Dental undergraduates | 61 | 8,46 | 1,75 | 9,00 | 8,00 | 10,00 | 2,0 | 10,0 |
Graduate dentists | 328 | 9,40 | 1,05 | 10,00 | 9,00 | 10,00 | 0,0 | 10,0 | ||
Total | 389 | 9,25 | 1,23 | 10,00 | 9,00 | 10,00 | 0,0 | 10,0 | ||
Independent-Samples Mann–Whitney U Test Summary | ||||||||||
Total N | 389 | |||||||||
Mann–Whitney U | 13,445,500 | |||||||||
Wilcoxon W | 67,401,500 | |||||||||
Test Statistic | 13,445,500 | |||||||||
Standard Error | 711,752 | |||||||||
Standardized Test Statistic | 4,835 | |||||||||
Asymptotic Sig.(2-sided test) | < 0,001 | |||||||||