taxes Property Tax Assistance

2017 Confidence Interval Detail

188/Potter
188-902/River Road ISD

Category Summary

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

Stratum
Variance
A 48,745,196 0.8687 56,112,808 29 623 .078690440
A 55,263,375 0.9930 55,652,946 17 467 .018857642
A 62,739,728 0.9565 65,593,025 22 439 .039706159
A 64,569,566 1.0221 63,173,433 13 325 .022679002
Random Totals: 231,317,865   240,532,212 81 1,854  
Catg J Exception Values: 4,943,680   6,443,158      
Catg D1 Exception Values: 2,789,057   2,398,529      
Total Test Values (4): 239,050,602   249,373,899      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,468,694

Confidence Interval Values (5)

State Lower Limit: 236,905,205 (State Test Value minus Margin of Error Percent)
Local Test Value: 239,050,602 (Within Confidence Interval)
State Upper Limit: 261,842,593 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 254,539,166 (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