taxes Property Tax Assistance

2017 Confidence Interval Detail

092/Gregg
092-907/Spring Hill ISD

Category Summary

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

Stratum
Variance
A 118,539,980 1.0031 118,173,642 44 856 .011570423
A 118,279,119 1.0104 117,061,678 39 593 .003709253
A 116,737,809 1.0331 112,997,589 14 421 .003768043
A 120,591,020 1.0573 114,055,632 13 244 .008466509
Random Totals: 474,147,928   462,288,541 110 2,114  
Catg D1 Exception Values: 240,476   238,839      
Total Test Values (4): 474,388,404   462,527,380      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,126,369

Confidence Interval Values (5)

State Lower Limit: 439,401,011 (State Test Value minus Margin of Error Percent)
Local Test Value: 474,388,404 (Within Confidence Interval)
State Upper Limit: 485,653,749 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 525,198,525 (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