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2008 Confidence Interval Detail
077/Floyd
077-902/Lockney ISD

Category Summary

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

Stratum
Variance
A 5,080,510 0.9409 5,399,628 14 259 .144709677
A 5,732,140 0.9175 6,247,564 14 164 .065361620
A 5,532,840 0.9428 5,868,519 13 95 .014090055
A 8,246,140 0.9648 8,546,994 15 77 .003621350
D3 12,275,450 0.9413 13,040,954 20 1,565 .002902073
L1 1,680,440 0.9369 1,793,617 5 23 .028962900
L1 1,384,320 0.8997 1,538,646 2 3 .033629180
Random Totals: 39,931,840   42,435,922 83 2,186  
Catg J Exception Values: 3,763,676   3,479,761      
Catg D1 Exception Values: 25,687,530   20,209,551      
Total Test Values (4): 69,383,046   66,125,234      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 3,306,262

Confidence Interval Values (5)

State Lower Limit: 62,818,972 (State Test Value minus Margin of Error Percent)
Local Test Value: 69,383,046 (Within Confidence Interval)
State Upper Limit: 69,431,496 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 79,960,526 (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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