taxes Property Tax Assistance

2016 Confidence Interval Detail

237/Waller
237-902/Hempstead ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 41,050,611 0.8992 45,652,370 15 773 .015219469
A 44,725,982 1.0511 42,551,595 10 437 .005868344
A 46,745,009 1.0608 44,065,808 13 306 .020134285
A 62,153,505 1.0567 58,818,496 10 230 .028284430
E 200,849,634 0.8961 224,137,523 16 1,302 .015705596
F1 17,202,710 1.0080 17,066,181 10 137 .004209386
F1 16,887,358 1.0002 16,883,981 8 50 .005586227
F1 18,662,990 1.0355 18,023,168 8 23 .005498018
F1 15,924,710 1.0436 15,259,400 4 6 .007182313
L1 5,460,840 1.0018 5,451,028 9 119 .011598386
L1 6,290,070 1.0218 6,155,872 7 23 .019180563
L1 4,615,610 0.9981 4,624,396 4 5 .000472904
Random Totals: 480,569,029   498,689,818 114 3,411  
Catg D1 Exception Values: 10,922,633   8,724,159      
Catg L1 Exception Values: 11,686,240   11,808,380      
Total Test Values (4): 503,177,902   519,222,357      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,961,117

Confidence Interval Values (5)

State Lower Limit: 493,261,240 (State Test Value minus Margin of Error Percent)
Local Test Value: 503,177,902 (Within Confidence Interval)
State Upper Limit: 545,183,474 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 509,680,552 (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, D3, 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