taxes Property Tax Assistance

2019 Confidence Interval Detail

Harris County
101-919/Spring ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 961,655,565 0.9326 1,031,155,442 97 7975 0.010530560
A 1,840,380,118 0.9554 1,926,292,776 96 12870 0.008349120
A 2,032,199,363 0.9851 2,062,937,126 102 11764 0.008195215
A 2,297,039,280 0.9921 2,315,330,390 95 9543 0.025516232
B 314,073,610 0.9098 345,211,706 8 40 0.009035306
B 358,090,347 0.9457 378,651,102 6 28 0.007930935
B 466,338,325 0.9310 500,900,456 9 22 0.019030076
B 366,652,437 0.9303 394,122,796 4 9 0.014743770
C1 104,812,071 0.8960 116,977,758 10 813 0.014249054
C1 102,020,814 0.7962 128,134,657 9 142 0.057736006
C1 105,255,155 0.8755 120,222,907 9 60 0.109063701
C1 85,159,839 1.0441 81,562,914 7 17 0.002994564
F1 829,244,442 0.9347 887,177,107 16 717 0.039398016
F1 781,946,649 0.9281 842,524,134 16 210 0.058745741
F1 804,378,429 0.9364 859,011,565 19 93 0.013546353
F1 1,018,520,657 0.9202 1,106,847,052 14 35 0.034412767
L1 202,033,057 0.9952 203,007,493 11 1117 0.019860799
L1 203,786,647 1.0078 202,209,414 9 144 0.003548710
L1 281,513,095 0.9571 294,131,329 9 50 0.008170330
L1 209,944,363 0.9775 214,776,842 3 6 0.000925633
Random Totals: 13,365,044,263 14,011,184,966 549 45,655
CATG D1 EXCEPTION VALUES: 433,570 450,871
Total Test Values(1) 13,365,477,833 14,011,635,837

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 700,581,792

Confidence Interval Values(5)

Local Test Value: 13,365,477,833 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 13,311,054,045 (State Test Value minus Margin of Error Percent)
State Upper Limit: 14,712,217,629 (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