taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
122/Jeff Davis
122-902/Valentine ISD

Category Summary

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

Stratum
Variance
A 1,333,550 0.7830 1,703,129 9 53 .255633289
A 1,514,490 0.9411 1,609,276 9 18 .005298724
A 1,451,190 0.9546 1,520,207 8 10 .003537230
A 832,030 0.9853 844,443 2 3 .001563796
E 10,254,550 0.8711 11,771,955 14 270 .301929637
Random Totals: 15,385,810   17,449,010 42 354  
Catg J Exception Values: 16,372,450   16,497,048      
Catg D1 Exception Values: 7,335,750   6,207,861      
Total Test Values (4): 39,094,010   40,153,919      

Margin of Error

Margin of Error Percent: 8.5930317
Margin of Error Value: 3,450,439

Confidence Interval Values (5)

State Lower Limit: 36,703,480 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,094,010 (Within Confidence Interval)
State Upper Limit: 43,604,358 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 43,162,572 (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