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2007 Confidence Interval Detail
147/Limestone
147-902/Groesbeck ISD

Category Summary

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

Stratum
Variance
A 48,079,679 1.0019 47,988,501 30 1,206 .082200276
A 47,991,778 1.0378 46,243,764 15 618 .083719161
A 48,033,527 0.9796 49,033,817 14 392 .027172099
A 48,033,100 0.8336 57,621,281 15 233 .013325119
D3 86,266,652 0.8864 97,322,486 42 5,992 .063963636
G1 158,455,247 1.0143 156,221,283 14 318 .006255657
G1 158,254,860 0.9829 161,008,098 13 127 .020817630
G1 158,724,653 1.0057 157,825,050 12 74 .002952652
G1 155,566,743 0.9996 155,628,995 11 37 .024382737
Random Totals: 909,406,239   928,893,275 166 8,997  
Catg J Exception Values: 38,254,292   38,517,548      
Catg D1 Exception Values: 12,750,589   13,309,426      
Total Test Values (4): 960,411,120   980,720,249      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,036,012

Confidence Interval Values (5)

State Lower Limit: 931,684,237 (State Test Value minus Margin of Error Percent)
Local Test Value: 960,411,120 (Within Confidence Interval)
State Upper Limit: 1,029,756,261 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,983,061,732 (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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