taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
061/Denton
061-902/Lewisville ISD

Category Summary

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

Stratum
Variance
A 4,114,807,426 0.9063 4,540,226,664 196 24,698 .009960516
A 4,812,492,730 0.9184 5,240,083,547 202 19,640 .007149408
A 4,865,906,758 0.9199 5,289,604,042 195 14,185 .007649269
A 5,484,878,482 0.9515 5,764,454,527 193 9,566 .010067885
B 538,545,341 1.0598 508,157,521 8 54 .013720627
B 550,125,807 1.0351 531,471,169 7 27 .029933847
B 700,901,741 1.0973 638,751,245 7 25 .009471739
B 788,140,973 1.0096 780,646,764 6 19 .018588930
C1 220,553,989 0.9361 235,609,432 12 2,579 .037904030
C1 115,893,399 0.9676 119,774,079 7 258 .011145423
C1 136,104,449 0.9780 139,166,103 7 125 .004747430
C1 134,526,951 0.9416 142,870,594 7 38 .010780279
F1 1,171,622,371 1.0414 1,125,045,488 20 970 .009781952
F1 1,151,536,520 1.0231 1,125,536,624 10 324 .006275779
F1 1,383,958,943 1.0477 1,320,949,645 9 147 .012814602
F1 1,424,496,620 1.0362 1,374,731,345 8 46 .006025855
L1 512,004,221 0.9952 514,473,695 10 1,568 .035969671
L1 515,719,912 0.9746 529,160,591 9 171 .002525070
L1 537,048,550 0.9678 554,916,873 8 44 .004510147
L1 477,511,525 0.9975 478,708,296 4 7 .000007586
Random Totals: 29,636,776,708   30,954,338,244 925 74,491  
Catg J Exception Values: 12,364,280   12,871,749      
Catg D1 Exception Values: 1,112,206   1,131,626      
Total Test Values (4): 29,650,253,194   30,968,341,619      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,548,417,080

Confidence Interval Values (5)

State Lower Limit: 29,419,924,539 (State Test Value minus Margin of Error Percent)
Local Test Value: 29,650,253,194 (Within Confidence Interval)
State Upper Limit: 32,516,758,699 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 29,106,568,456 (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