taxes Property Tax Assistance

2018 Confidence Interval Detail

237/Waller
237-905/Royal ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 59,837,152 0.7895 75,791,199 11 803 0.082945847
A 70,743,629 0.8411 84,108,464 11 517 0.054421934
A 63,315,877 0.9848 64,293,133 9 282 0.057008752
A 71,454,486 0.9676 73,847,133 11 198 0.011001812
E 209,754,723 0.9514 220,469,543 18 1412 0.044543682
F1 32,583,614 0.8700 37,452,430 12 122 0.089437934
F1 33,071,840 1.0278 32,177,311 8 42 0.003578927
F1 31,480,070 0.9267 33,970,077 7 19 0.084521648
F1 35,058,309 0.9273 37,806,868 4 7 0.006189506
L1 46,128,500 0.6765 68,186,992 8 91 0.399205827
L1 49,113,650 1.1403 43,070,815 8 19 0.076466312
Random Totals: 702,541,850 771,173,965 107 3,512
CATG D1 EXCEPTION VALUES: 12,322,026 9,699,930
CATG F1 EXCEPTION VALUES: 51,828,170 52,328,196
CATG L1 EXCEPTION VALUES: 159,272,510 165,417,947
Total Test Values(3) 925,964,556 998,620,038

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,931,002

Confidence Interval Values(5)

Local Test Value: 925,964,556 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 948,689,036 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,048,551,040 (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