Labor Day

Quick Start for:

2007 Confidence Interval Detail
057/Dallas
057-913/Lancaster ISD

Category Summary

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

Stratum
Variance
A 258,256,701 0.8978 287,655,047 23 2,860 .079415211
A 259,015,079 0.9618 269,302,432 20 2,169 .008509552
A 258,557,651 0.9834 262,922,159 25 1,820 .002773828
A 257,173,768 1.0196 252,230,059 24 1,365 .002785366
F1 60,918,551 0.8970 67,913,658 8 160 .046491437
F1 63,388,775 0.8980 70,588,836 7 34 .039930187
F1 60,638,614 0.6855 88,458,956 4 9 .296251794
F1 57,329,949 0.9116 62,889,369 3 4 .005452532
L1 24,558,454 1.1211 21,905,677 7 183 .015377306
L1 25,294,661 1.3150 19,235,484 7 28 .081920921
L1 28,888,419 1.0042 28,767,595 4 8 .000342687
Random Totals: 1,354,020,622   1,431,869,272 132 8,640  
Catg J Exception Values: 70,976,387   70,890,264      
Catg D1 Exception Values: 1,376,530   1,707,089      
Catg L1 Exception Values: 15,822,310   16,110,704      
Total Test Values (4): 1,442,195,849   1,520,577,329      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 76,028,866

Confidence Interval Values (5)

Local Test Value: 1,442,195,849 (Outside Confidence Interval)
State Lower Limit: 1,444,548,463 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,596,606,195 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,687,059,196 (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