Labor Day

Quick Start for:

2007 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 3,601,682,267 0.9981 3,608,538,490 75 23,837 .001007472
A 3,601,742,937 0.9998 3,602,463,430 74 16,993 .000647771
A 3,602,063,043 0.9966 3,614,351,839 74 12,021 .001024187
A 3,600,922,834 1.0046 3,584,434,436 73 6,489 .003482101
B 336,597,230 0.6983 482,023,815 7 120 .176084632
B 332,444,886 0.5876 565,767,335 5 19 .167684913
B 336,737,155 0.6923 486,403,517 5 14 .057154396
B 303,079,322 0.7903 383,499,079 4 9 .016080348
C 131,840,361 1.0022 131,550,949 18 1,913 .013631327
C 131,998,418 1.0160 129,919,703 27 559 .003555325
C 131,415,488 1.0763 122,099,311 7 168 .016574963
C 131,590,686 1.0252 128,356,112 6 62 .005966036
F1 857,953,208 0.9770 878,150,673 7 786 .003829674
F1 862,470,914 0.9627 895,887,518 7 254 .001812954
F1 853,723,956 0.9063 941,988,256 7 95 .013719504
F1 857,275,777 0.9712 882,697,464 6 34 .006967214
L1 223,085,319 1.1311 197,228,644 7 1,328 .026844522
L1 222,935,916 1.0943 203,724,679 7 230 .015284624
L1 223,030,908 0.9371 238,001,182 8 69 .053382958
L1 221,901,479 1.0262 216,236,093 5 19 .001328811
Random Totals: 20,564,492,104   21,293,322,525 429 65,019  
Catg D1 Exception Values: 1,492,426   1,243,014      
Total Test Values (4): 20,565,984,530   21,294,565,539      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,064,728,277

Confidence Interval Values (5)

State Lower Limit: 20,229,837,262 (State Test Value minus Margin of Error Percent)
Local Test Value: 20,565,984,530 (Within Confidence Interval)
State Upper Limit: 22,359,293,816 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 21,575,056,616 (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

Required Plug-ins