taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-903/Alief ISD

Category Summary

(1)
Category		 (1)
Local
Value		 (1)
Stratum
Ratio		 (1)
State
Value		 (2)
Sample
Size		 (3)
Total
Parcels
Stratum
Variance
A 912,718,676 0.9455 965,329,113 144 9,879 .018533015
A 1,643,902,056 0.9518 1,727,150,721 149 12,794 .012532883
A 2,314,372,608 0.9999 2,314,604,068 150 14,075 .008278285
A 1,677,488,516 1.0248 1,636,893,556 146 3,972 .014505427
B 507,177,654 0.7429 682,699,763 7 89 .007588960
B 433,081,383 0.8349 518,722,461 7 42 .013575359
B 656,733,951 0.9522 689,701,692 9 31 .008019767
B 703,724,444 0.9450 744,681,951 7 18 .009148577
C1 69,811,015 0.8521 81,928,195 9 274 .040654865
C1 69,852,223 1.0515 66,431,025 9 66 .055915613
C1 69,767,562 0.9729 71,710,928 7 22 .010539315
C1 84,072,300 1.1019 76,297,577 3 7 .016121381
F1 1,293,138,788 0.9536 1,356,059,971 12 947 .047081957
F1 1,374,215,900 0.9702 1,416,425,376 13 241 .028072796
F1 1,362,356,950 0.9996 1,362,902,111 11 66 .015569560
F1 1,082,484,710 0.9787 1,106,043,435 13 15 .009193349
L1 238,856,377 0.9307 256,641,643 11 2,604 .039839394
L1 228,909,726 0.8781 260,687,537 10 267 .008742547
L1 190,967,194 0.8878 215,101,593 12 54 .038328577
L1 224,158,595 0.9055 247,552,286 7 16 .037211001
Random Totals: 15,137,790,628   15,797,565,002 736 45,479  
Catg D1 Exception Values: 13,486   13,667      
Total Test Values (4): 15,137,804,114   15,797,578,669      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 789,878,933

Confidence Interval Values (5)

State Lower Limit: 15,007,699,736 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,137,804,114 (Within Confidence Interval)
State Upper Limit: 16,587,457,602 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 15,173,766,024 (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