taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
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 6,299,268,656 0.9723 6,478,729,462 99 19,624 .013216213
A 5,989,445,490 0.9673 6,191,921,317 99 7,733 .020282801
A 6,364,836,882 0.9673 6,580,002,979 100 4,283 .007616940
A 5,947,256,743 0.9630 6,175,759,858 67 1,899 .024402207
B 434,623,537 0.8214 529,125,319 9 82 .066715970
B 401,306,290 0.9461 424,168,999 8 19 .021087055
B 439,933,174 1.0039 438,224,100 5 11 .018466302
B 642,978,377 1.0935 588,000,345 4 11 .007708116
C1 133,419,840 0.9267 143,973,066 13 807 .040928639
C1 155,933,556 0.8697 179,295,799 9 170 .027040174
C1 117,946,530 0.8950 131,783,832 10 59 .026601876
C1 144,371,014 1.0854 133,011,806 7 22 .111153499
F1 2,015,876,688 0.9152 2,202,662,465 12 951 .046408880
F1 1,843,789,232 0.8639 2,134,262,336 9 167 .028570635
F1 1,985,204,527 0.9835 2,018,509,941 8 52 .009647156
F1 1,985,854,544 0.9429 2,106,113,632 6 16 .004910836
L1 337,317,639 0.9789 344,588,455 11 2,394 .024444586
L1 336,900,915 0.8352 403,377,532 11 338 .019670639
L1 304,019,164 0.9671 314,361,663 9 93 .001921268
L1 339,803,229 0.9560 355,442,708 7 24 .017229190
Random Totals: 36,220,086,027   37,873,315,614 503 38,755  
Catg D1 Exception Values: 20,719   22,110      
Total Test Values (4): 36,220,106,746   37,873,337,724      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,893,666,886

Confidence Interval Values (5)

State Lower Limit: 35,979,670,838 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,220,106,746 (Within Confidence Interval)
State Upper Limit: 39,767,004,610 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,275,617,186 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories