taxes Property Tax Assistance

2019 Confidence Interval Detail

Waller County
237-904/Waller ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 180,861,708 0.8638 209,379,148 26 1910 0.063117296
A 195,472,639 0.9119 214,357,538 39 1141 0.069374653
A 219,213,370 0.9462 231,677,626 32 871 0.023807727
A 264,484,465 0.9761 270,960,419 34 588 0.016732107
E 560,976,927 0.9421 595,453,696 43 2431 0.035002646
F1 34,128,530 0.8183 41,706,623 12 162 0.051784955
F1 43,997,231 0.9978 44,094,238 8 49 0.048362157
F1 25,762,631 0.9826 26,218,839 5 9 0.028100083
F1 22,694,970 1.0384 21,854,948 2 3 0.009872505
L1 24,108,120 1.0618 22,704,954 8 109 0.041031367
L1 24,499,400 0.9673 25,327,613 7 20 0.057876140
L1 33,357,973 1.0879 30,663,613 7 12 0.005521492
Random Totals: 1,629,557,964 1,734,399,255 223 7,305
CATG D1 EXCEPTION VALUES: 13,469,881 12,163,673
CATG L1 EXCEPTION VALUES: 9,270,690 9,300,739
Total Test Values(2) 1,652,298,535 1,755,863,667

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 87,793,183

Confidence Interval Values(5)

Local Test Value: 1,652,298,535 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,668,070,484 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,843,656,850 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values