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2007 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 305,568,856 0.9702 314,954,500 60 3,435 .017365724
A 305,442,056 0.9709 314,596,824 60 2,322 .010231713
A 305,581,419 0.9600 318,313,978 60 1,515 .021334050
A 305,307,697 0.9830 310,587,688 60 852 .011361395
B 35,769,214 1.0091 35,446,649 25 211 .076300201
B 37,946,663 0.9233 41,098,953 4 10 .006406203
B 40,827,255 0.9640 42,351,924 4 5 .003898936
F1 72,528,538 0.7559 95,949,911 9 261 .031028018
F1 72,698,382 0.9453 76,905,090 6 84 .025768468
F1 72,282,111 0.9594 75,340,954 6 34 .002575640
F1 71,668,193 0.9837 72,855,742 5 13 .006322460
L1 24,502,681 0.9715 25,221,494 7 504 .001445054
L1 24,804,645 1.0455 23,725,151 6 85 .010053275
L1 25,679,569 0.9873 26,009,895 6 30 .002956674
L1 22,850,627 0.9948 22,970,071 3 6 .000163861
Random Totals: 1,723,457,906   1,796,328,824 321 9,367  
Catg D1 Exception Values: 19,610,694   13,233,397      
Catg B Exception Values: 19,329,512   18,453,506      
Total Test Values (4): 1,762,398,112   1,828,015,727      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 91,400,786

Confidence Interval Values (5)

State Lower Limit: 1,736,614,941 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,762,398,112 (Within Confidence Interval)
State Upper Limit: 1,919,416,513 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,940,985,542 (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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