taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
070/Ellis
070-908/Midlothian ISD

Category Summary

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

Stratum
Variance
A 399,794,568 0.9604 416,279,225 130 3,229 .006103354
A 475,072,083 0.9612 494,248,942 106 2,663 .005260956
A 489,852,501 0.9555 512,666,144 78 2,006 .004466204
A 531,450,243 0.9780 543,405,156 67 1,507 .011599129
F1 53,459,642 1.0084 53,014,322 9 171 .001231963
F1 52,095,110 0.9085 57,341,893 9 41 .012650466
F1 63,185,840 0.9800 64,475,347 3 6 .000362652
L1 25,632,267 1.0512 24,383,816 9 134 .009001742
L1 28,990,090 0.9383 30,896,398 6 22 .009859863
L1 34,010,670 1.0550 32,237,602 2 2 .001692869
Random Totals: 2,153,543,014   2,228,948,845 419 9,781  
Catg D1 Exception Values: 5,602,752   3,099,345      
Catg F1 Exception Values: 38,047,500   40,700,000      
Catg L1 Exception Values: 50,359,340   49,142,502      
Total Test Values (4): 2,247,552,606   2,321,890,692      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 116,094,534

Confidence Interval Values (5)

State Lower Limit: 2,205,796,158 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,247,552,606 (Within Confidence Interval)
State Upper Limit: 2,437,985,226 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,932,682,011 (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