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School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
147/Limestone
147-903/Mexia ISD

Category Summary

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

Stratum
Variance
A 47,891,844 0.8819 54,305,300 14 1,393 .097090725
A 46,649,735 0.9324 50,031,891 11 727 .014182524
A 47,244,818 0.9651 48,953,288 11 461 .002573369
A 48,014,800 1.0115 47,468,908 10 251 .017654167
E 70,930,343 0.9445 75,098,299 10 1,449 .025965190
F1 17,920,973 0.9643 18,584,437 9 165 .004985105
F1 17,889,206 1.0051 17,798,434 9 57 .009071210
F1 18,027,070 0.9696 18,592,275 7 20 .000686087
G1 4,467,210 0.9524 4,690,477 8 30 .160501545
G1 4,080,810 0.9995 4,082,851 5 10 .016318470
G1 4,230,790 0.9925 4,262,761 4 7 .009375327
G1 4,072,751 1.0377 3,924,787 3 4 .019698164
L1 8,485,536 1.0040 8,451,729 10 178 .007768916
L1 6,115,337 0.9297 6,577,753 9 28 .025622590
L1 12,837,051 0.9616 13,349,679 6 14 .002236819
Random Totals: 358,858,274   376,172,869 126 4,794  
Catg J Exception Values: 9,373,660   9,550,473      
Catg D1 Exception Values: 4,120,883   3,177,181      
Catg F1 Exception Values: 16,008,858   16,408,090      
Catg L1 Exception Values: 6,365,815   6,421,717      
Total Test Values (4): 394,727,490   411,730,330      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,586,516

Confidence Interval Values (5)

State Lower Limit: 391,143,814 (State Test Value minus Margin of Error Percent)
Local Test Value: 394,727,490 (Within Confidence Interval)
State Upper Limit: 432,316,846 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 414,018,697 (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