Measurement of International Roughness Index by Using 𝑍-Axis Accelerometers and GPS

Table 3

Correlations.

		Right wheel acceleration	Left wheel acceleration
Right wheel acceleration	Correlation coefficient	1.000	.851**
	Significance (2-tailed)	·	.000
	𝑁	31	31
Left wheel acceleration	Correlation coefficient	.851**	1.000
	Significance (2-tailed)	.000	·
	𝑁	31	31

∗∗Correlation is significant at the 0.01 level (2-tailed).