taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
198/Robertson
198-902/Calvert ISD

Category Summary

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

Stratum
Variance
A 6,621,635 0.8870 7,465,203 10 224 .017493802
A 7,285,477 1.0172 7,162,286 10 114 .003326673
A 6,772,151 1.0153 6,670,098 10 61 .023371958
A 6,331,446 0.8933 7,087,704 8 28 .038615868
E 20,837,994 0.9640 21,616,176 14 303 .012804260
F1 1,079,571 0.7654 1,410,466 9 34 .136635263
F1 1,355,115 1.0113 1,339,973 7 21 .004559007
F1 1,320,461 0.8232 1,604,059 5 8 .145976559
F1 943,542 0.9672 975,540 2 3 .007647009
G1 2,356,726 0.9598 2,455,434 8 31 .163737055
G1 2,513,754 1.0221 2,459,401 5 11 .004601733
G1 3,182,820 0.9850 3,231,289 3 4 .001659574
Random Totals: 60,600,692   63,477,629 91 842  
Catg J Exception Values: 17,049,772   17,252,449      
Catg D1 Exception Values: 6,731,875   6,444,304      
Catg F1 Exception Values: 1,855,637   1,458,465      
Catg G1 Exception Values: 1,239,969   1,173,541      
Total Test Values (4): 87,477,945   89,806,388      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,490,319

Confidence Interval Values (5)

State Lower Limit: 85,316,069 (State Test Value minus Margin of Error Percent)
Local Test Value: 87,477,945 (Within Confidence Interval)
State Upper Limit: 94,296,707 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 111,868,181 (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