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2010 Confidence Interval Detail
043/Collin
043-904/Farmersville ISD

Category Summary

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

Stratum
Variance
A 42,020,546 1.0018 41,945,045 17 730 .001633149
A 44,043,034 0.9963 44,206,598 11 464 .000752454
A 41,115,847 0.9967 41,251,979 11 299 .007592565
A 45,164,485 0.9782 46,171,013 10 202 .010761115
D3 80,382,672 0.9522 84,417,845 20 2,608 .072102133
F1 6,252,117 1.1250 5,557,437 8 52 .011990176
F1 6,853,259 0.9434 7,264,425 9 20 .022873019
F1 10,697,884 0.9378 11,407,426 7 7 .036112169
Random Totals: 276,529,844   282,221,768 93 4,382  
Catg J Exception Values: 14,019,091   15,371,022      
Catg D1 Exception Values: 4,179,691   3,798,907      
Total Test Values (4): 294,728,626   301,391,697      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,069,585

Confidence Interval Values (5)

State Lower Limit: 286,322,112 (State Test Value minus Margin of Error Percent)
Local Test Value: 294,728,626 (Within Confidence Interval)
State Upper Limit: 316,461,282 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 326,559,604 (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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