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2011 Confidence Interval Detail
152/Lubbock
152-907/Frenship ISD

Category Summary

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

Stratum
Variance
A 212,066,406 0.9498 223,274,801 50 2,674 .017295617
A 487,357,434 0.9982 488,236,259 60 4,018 .007130010
A 250,950,517 0.9685 259,112,563 32 1,496 .003785239
A 623,452,187 0.9837 633,782,847 60 2,121 .015153885
B 165,636,995 0.9575 172,989,029 15 350 .008465904
F1 124,087,609 0.8829 140,545,485 10 401 .042351270
F1 353,983,874 1.0246 345,484,944 5 158 .010725746
L1 11,619,176 0.9778 11,882,978 10 540 .004550872
L1 13,340,681 0.9782 13,637,989 6 170 .005153739
L1 48,483,440 0.9998 48,493,139 4 192 .021135184
Random Totals: 2,290,978,319   2,337,440,034 252 12,120  
Catg D1 Exception Values: 18,494,775   16,667,810      
Catg L1 Exception Values: 611,377   635,293      
Total Test Values (4): 2,310,084,471   2,354,743,137      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 117,737,157

Confidence Interval Values (5)

State Lower Limit: 2,237,005,980 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,310,084,471 (Within Confidence Interval)
State Upper Limit: 2,472,480,294 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,487,554,672 (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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