Table 1. Hourly wage percentiles calculated with individual worker data and with occupational averages data: Selected occupations from Houston-Galveston-Brazoria, TX, National Compensation Survey, October 1997.

Table 1. Hourly wage percentiles calculated with individual worker data and with occupational averages data: Selected occupations from Houston-Galveston-Brazoria, TX, National Compensation Survey, October 1997.
Occupation	Hourly wage at percentile					90th-10th percentile difference (in percent)
Occupation	10th	25th	50th	75th	90th	90th-10th percentile difference (in percent)
Elementary school teachers
Individual worker data	17.92	19.73	22.87	26.53	29.56	65.0
Occupational averages data	21.98	22.04	23.32	24.66	24.88	13.2
Secondary school teachers
Individual worker data	17.92	19.66	23.05	26.97	29.58	65.1
Occupational averages data	22.58	23.23	23.23	23.60	25.77	14.1
Cashiers
Individual worker data	5.00	5.25	6.00	7.50	9.00	80.0
Occupational averages data	5.13	5.42	6.10	7.75	8.62	68.0
Waiters and waitresses
Individual worker data	2.13	2.13	2.13	2.38	5.90	177.0
Occupational averages data	2.13	2.13	2.13	2.38	5.86	175.1