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2007 Confidence Interval Detail
147/Limestone
147-903/Mexia ISD

Category Summary

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

Stratum
Variance
A 34,985,320 0.9106 38,420,075 17 1,271 .056539546
A 34,956,754 0.8066 43,338,401 16 696 .056025088
A 35,006,555 0.8803 39,766,619 19 459 .061876212
A 34,869,853 0.8433 41,349,286 14 254 .025338299
D3 54,903,843 0.8471 64,813,886 35 3,464 .087482968
F1 13,243,338 0.9616 13,772,190 7 165 .002092676
F1 13,195,945 0.9733 13,557,942 7 53 .031975744
F1 17,459,275 0.9227 18,921,941 6 13 .007406146
G1 8,333,922 1.0362 8,042,774 5 24 .045774329
G1 7,835,218 0.8699 9,007,033 5 13 .030979266
G1 8,592,240 1.0426 8,241,166 4 11 .013075632
G1 7,042,290 1.0915 6,451,938 3 6 .029857866
L1 7,236,808 0.9545 7,581,779 7 153 .011565504
L1 7,872,474 0.9776 8,052,858 5 21 .000912629
Random Totals: 285,533,835   321,317,888 150 6,603  
Catg J Exception Values: 20,206,249   20,241,898      
Catg D1 Exception Values: 4,165,061   4,343,707      
Catg F1 Exception Values: 8,082,080   8,182,541      
Catg L1 Exception Values: 13,001,810   14,022,329      
Total Test Values (4): 330,989,035   368,108,363      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,405,418

Confidence Interval Values (5)

Local Test Value: 330,989,035 (Outside Confidence Interval)
State Lower Limit: 349,702,945 (State Test Value minus Margin of Error Percent)
State Upper Limit: 386,513,781 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 331,687,066 (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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