taxes Property Tax Assistance

2021 Confidence Interval Detail

Harris County
101-920/Spring Branch ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 6,763,885,080 0.9805 6,898,403,957 187 20,473 0.010017023
A 6,685,702,329 0.9576 6,981,727,578 145 8,699 0.010900814
A 6,907,403,349 0.9947 6,944,207,650 97 4,688 0.013365083
A 6,635,392,371 0.9450 7,021,579,229 57 2,186 0.058319363
B 777,276,774 0.9434 823,910,085 10 79 0.067388162
B 660,111,182 0.9870 668,805,656 7 22 0.056220583
B 754,475,446 1.0282 733,782,772 6 14 0.004851195
B 700,892,979 1.0335 678,174,145 5 10 0.005164814
C1 185,734,887 0.8937 207,826,885 23 825 0.018661512
C1 153,911,637 0.9345 164,699,451 16 165 0.021106535
C1 143,628,456 0.8846 162,365,426 9 75 0.075629862
C1 145,350,388 1.1335 128,231,485 7 21 0.085316236
F1 2,242,167,853 1.0060 2,228,795,083 11 999 0.016837080
F1 2,298,669,252 0.9586 2,397,944,139 14 203 0.049492849
F1 2,031,205,389 0.9904 2,050,893,971 9 55 0.004290039
F1 2,156,659,118 1.0450 2,063,788,630 7 17 0.006140567
L1 329,388,138 1.0118 325,546,687 11 2,374 0.002209864
L1 295,372,697 1.0070 293,319,461 10 322 0.004515929
L1 310,811,673 0.9968 311,809,463 10 97 0.000758547
L1 341,799,843 0.9916 344,695,283 8 26 0.000144001
Random Totals: 40,519,838,841 41,430,507,036 649 41,350
CATG D1 EXCEPTION VALUES: 17,556 16,564
Total Test Values 40,519,856,397 41,430,523,600

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,071,526,180

Confidence Interval Values(5)

Local Test Value: 40,519,856,397 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 39,358,997,420 (State Test Value minus Margin of Error Percent)
State Upper Limit: 43,502,049,780 (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