taxes Property Tax Assistance

2018 Confidence Interval Detail

069/Edwards
069-901/Rocksprings ISD

Category Summary

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

Stratum
Variance
A 5,367,208 0.8764 6,124,153 12 208 .012031313
A 5,821,237 0.8677 6,708,813 13 120 .022888981
A 4,937,005 0.9134 5,405,085 12 64 .004196367
A 5,668,017 0.9711 5,836,698 9 46 .013357021
E 136,538,660 0.8149 167,552,657 22 2,160 .131219171
Random Totals: 158,332,127   191,627,406 68 2,598  
Catg J Exception Values: 182,760   194,395      
Catg D1 Exception Values: 42,805,402   50,400,389      
Total Test Values (4): 201,320,289   242,222,190      

Margin of Error

Margin of Error Percent: 10.6078518
Margin of Error Value: 25,694,571

Confidence Interval Values (5)

Local Test Value: 201,320,289 (Outside Confidence Interval)
State Lower Limit: 216,527,619 (State Test Value minus Margin of Error Percent)
State Upper Limit: 267,916,761 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 309,030,106 (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