taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
102/Harrison
102-902/Marshall ISD

Category Summary

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

Stratum
Variance
A 174,016,720 0.9659 180,160,182 20 3,394 .018038328
A 170,791,200 0.9904 172,446,688 29 1,723 .010223425
A 169,654,050 0.9794 173,222,432 48 1,115 .015690428
A 182,602,090 1.0439 174,922,972 16 657 .004779313
E 422,225,420 0.9570 441,196,886 37 7,275 .030459356
F1 57,746,450 0.9384 61,537,138 14 420 .012506480
F1 59,598,420 0.9485 62,834,391 9 137 .004428933
F1 69,486,550 0.9884 70,302,054 9 56 .000886771
F1 45,878,730 0.9181 49,971,387 6 11 .005194273
G1 91,745,260 1.0166 90,247,157 13 492 .012583126
G1 92,649,961 1.0010 92,557,404 17 75 .032755979
G1 92,249,130 1.0299 89,570,958 9 33 .006190404
G1 89,194,086 0.9960 89,552,295 7 17 .004020113
L1 32,950,600 1.0038 32,825,862 10 364 .102856976
L1 35,074,800 1.0567 33,192,770 10 83 .009295463
L1 37,709,860 1.0049 37,525,983 6 16 .002921204
Random Totals: 1,823,573,327   1,852,066,559 260 15,868  
Catg J Exception Values: 32,373,760   33,629,464      
Catg D1 Exception Values: 14,262,770   15,440,435      
Catg L1 Exception Values: 16,374,950   15,696,965      
Total Test Values (4): 1,886,584,807   1,916,833,423      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 95,841,671

Confidence Interval Values (5)

State Lower Limit: 1,820,991,752 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,886,584,807 (Within Confidence Interval)
State Upper Limit: 2,012,675,094 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,572,765,142 (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