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2008 Confidence Interval Detail
161/McLennan
161-909/McGregor ISD

Category Summary

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

Stratum
Variance
A 22,479,780 0.9793 22,954,947 10 608 .032945913
A 23,692,457 0.9334 25,382,962 11 385 .009741940
A 24,617,247 0.9828 25,048,074 15 273 .009869931
A 46,617,008 1.0312 45,206,563 17 319 .022060456
D3 19,504,546 0.9668 20,174,334 22 851 .004427453
F1 5,534,224 0.9957 5,558,124 6 77 .006586568
F1 5,521,150 0.9832 5,615,490 6 28 .003235537
F1 7,279,470 1.0014 7,269,293 4 14 .000535433
F1 5,879,281 0.9956 5,905,264 2 4 .000313420
L1 6,546,688 1.0052 6,512,821 7 95 .002917012
L1 7,606,778 0.9608 7,917,129 5 20 .001671890
L1 14,511,318 1.0247 14,161,528 3 8 .001242413
Random Totals: 189,789,947   191,706,529 108 2,682  
Catg J Exception Values: 11,694,410   11,682,845      
Catg D1 Exception Values: 6,481,286   5,869,458      
Catg L1 Exception Values: 7,093,704   9,172,073      
Total Test Values (4): 215,059,347   218,430,905      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,921,545

Confidence Interval Values (5)

State Lower Limit: 207,509,360 (State Test Value minus Margin of Error Percent)
Local Test Value: 215,059,347 (Within Confidence Interval)
State Upper Limit: 229,352,450 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 252,805,661 (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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