taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
057/Dallas
057-911/Highland Park ISD

Category Summary

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

Stratum
Variance
A 2,685,368,020 1.0091 2,661,151,541 15 3,571 .011935897
A 2,654,760,690 0.9874 2,688,637,523 15 2,311 .002394310
A 2,705,896,690 1.0043 2,694,311,152 15 1,474 .003468925
A 2,704,468,630 1.0359 2,610,742,958 15 574 .004503167
B 128,583,020 0.9271 138,693,798 10 299 .002704215
B 119,162,780 0.9344 127,528,660 10 219 .021769697
B 121,904,240 0.9534 127,862,639 14 183 .003669246
B 125,209,420 0.9598 130,453,657 9 111 .002262147
F1 229,243,220 0.7858 291,732,273 9 128 .034933706
F1 227,206,030 0.8305 273,577,399 7 21 .060431898
F1 214,994,540 0.9136 235,326,773 4 6 .002458090
F1 354,788,080 1.0133 350,131,333 2 5 .016682152
Random Totals: 12,271,585,360   12,330,149,706 125 8,902  
Total Test Values (4): 12,271,585,360   12,330,149,706      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 616,507,485

Confidence Interval Values (5)

State Lower Limit: 11,713,642,221 (State Test Value minus Margin of Error Percent)
Local Test Value: 12,271,585,360 (Within Confidence Interval)
State Upper Limit: 12,946,657,191 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,921,821,875 (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