Table 4 Results of Levene’s test and Student’s t-test between the horizontal phantom and vertical phantom groups
From: Correlation between spatial resolution and ball distortion rate of panoramic radiography
Levene’s test | Student’s t-test | |||||||
|---|---|---|---|---|---|---|---|---|
F | Sig. | t | df | p (two-tailed) | Mean difference | Std. error difference | 95% confidence interval of the Difference | |
Lower | Upper | |||||||
0.099 | 0.753 | 1.786 | 149 | 0.076 | 4.65386 | 2.60591 | −0.49545 | 9.80318 |