taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
112/Hopkins
112-901/Sulphur Springs ISD

Category Summary

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

Stratum
Variance
A 122,378,540 1.0287 118,964,266 15 2,254 .023543929
A 122,360,470 1.0005 122,299,320 11 1,363 .016169654
A 123,094,040 0.9639 127,704,160 19 951 .014728311
A 125,473,200 0.9455 132,705,658 10 527 .015185280
D3 203,749,810 0.9564 213,038,279 15 5,579 .026388446
F1 44,085,360 0.8668 50,859,898 10 324 .236600518
F1 44,503,450 0.8853 50,269,344 9 118 .021256871
F1 44,728,330 0.8918 50,155,113 8 41 .018339056
F1 44,926,860 0.9708 46,278,183 6 14 .007048918
L1 27,719,170 0.9457 29,310,743 10 346 .006142910
L1 26,086,000 0.9147 28,518,640 8 51 .027183983
L1 32,848,850 0.9842 33,376,194 6 21 .000739808
L1 24,562,050 0.9965 24,648,319 3 3 .000225766
Random Totals: 986,516,130   1,028,128,117 130 11,592  
Catg D1 Exception Values: 14,630,140   10,546,402      
Total Test Values (4): 1,001,146,270   1,038,674,519      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 51,933,726

Confidence Interval Values (5)

State Lower Limit: 986,740,793 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,001,146,270 (Within Confidence Interval)
State Upper Limit: 1,090,608,245 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,105,222,073 (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