taxes Property Tax Assistance

2017 Confidence Interval Detail

114/Howard
058-909/Sands CISD

Category Summary

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

Stratum
Variance
G1 61,856,049 1.0333 59,862,624 15 96 .054797442
G1 61,489,048 0.9990 61,550,599 15 17 .003633105
Random Totals: 123,345,097   121,413,223 30 113  
Catg J Exception Values: 20,970   16,839      
Catg D1 Exception Values: 9,273,960   7,528,264      
Catg G1 Exception Values: 116,618,417   118,381,300      
Total Test Values (4): 249,258,444   247,339,626      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,366,981

Confidence Interval Values (5)

State Lower Limit: 234,972,645 (State Test Value minus Margin of Error Percent)
Local Test Value: 249,258,444 (Within Confidence Interval)
State Upper Limit: 259,706,607 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 333,130,324 (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