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2011 Confidence Interval Detail
101/Harris
101-906/Crosby ISD

Category Summary

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

Stratum
Variance
A 212,811,285 0.9320 228,338,289 30 2,685 .039024683
A 213,217,589 1.0443 204,172,737 42 1,806 .045179605
A 213,718,449 1.0079 212,043,307 40 1,408 .020812726
A 215,242,618 0.9335 230,575,916 17 892 .020791451
F1 24,780,058 1.0499 23,602,303 9 138 .015710117
F1 23,091,050 1.0006 23,077,204 9 42 .010814365
F1 19,733,147 0.9837 20,060,127 6 17 .008142571
F1 25,772,584 1.0417 24,740,889 5 9 .004736419
Random Totals: 948,366,780   966,610,772 158 6,997  
Catg J Exception Values: 10,550,087   12,221,702      
Catg D1 Exception Values: 4,707,932   4,724,040      
Total Test Values (4): 963,624,799   983,556,514      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,177,826

Confidence Interval Values (5)

State Lower Limit: 934,378,688 (State Test Value minus Margin of Error Percent)
Local Test Value: 963,624,799 (Within Confidence Interval)
State Upper Limit: 1,032,734,340 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,268,927,218 (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

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