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School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
147/Limestone
109-910/Mount Calm ISD

Category Summary

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

Stratum
Variance
A 239,170 0.8834 270,738 4 4 .004153115
D2 436,850 1.0000 436,850 10 31 .004351018
E 3,106,510 0.9654 3,217,848 10 50 .004892200
Random Totals: 3,782,530   3,925,436 24 85  
Catg J Exception Values: 41,270   43,034      
Catg D1 Exception Values: 378,319   291,259      
Catg A Exception Values: 256,130   257,971      
Total Test Values (4): 4,458,249   4,517,700      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 225,885

Confidence Interval Values (5)

State Lower Limit: 4,291,815 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,458,249 (Within Confidence Interval)
State Upper Limit: 4,743,585 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,751,090 (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