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2008 Confidence Interval Detail
101/Harris
101-907/Cypress-Fairbanks ISD

Category Summary

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

Stratum
Variance
A 4,864,440,261 1.0036 4,846,991,093 28 42,835 .003928142
A 4,808,230,740 1.0007 4,804,867,333 29 32,092 .004150008
A 5,259,409,494 0.9847 5,341,128,764 31 26,949 .005546700
A 5,429,336,053 0.9707 5,593,217,320 32 15,956 .007839141
B 320,869,951 0.9170 349,912,706 5 50 .007231170
B 424,511,611 0.9727 436,426,042 5 31 .002862682
B 280,136,046 0.8371 334,650,634 6 14 .061637389
B 597,630,075 0.9111 655,943,447 7 22 .002169070
C 212,410,885 1.0243 207,371,751 7 6,824 .011598479
C 151,050,839 0.9220 163,829,543 11 1,155 .037907744
C 163,048,303 0.9004 181,084,299 11 360 .022285189
C 160,164,179 1.0100 158,578,395 6 91 .001134237
D3 461,458,027 0.9357 493,168,780 13 1,302 .012162865
F1 1,423,919,248 0.7775 1,831,407,393 24 1,895 .090003406
F1 1,520,346,079 0.8207 1,852,499,182 11 647 .039534620
F1 1,562,124,377 0.8070 1,935,717,939 5 271 .037243113
F1 1,844,281,774 0.8986 2,052,394,585 7 110 .006019191
L1 701,956,794 1.0056 698,047,727 7 3,350 .000326788
L1 745,024,891 1.0368 718,581,106 7 519 .027240524
L1 736,768,312 0.9974 738,688,903 7 157 .000121582
L1 710,048,049 1.0556 672,648,777 6 46 .012609116
Random Totals: 32,377,165,988   34,067,155,719 265 134,676  
Catg D1 Exception Values: 18,588,601   18,555,566      
Total Test Values (4): 32,395,754,589   34,085,711,285      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,704,285,564

Confidence Interval Values (5)

State Lower Limit: 32,381,425,721 (State Test Value minus Margin of Error Percent)
Local Test Value: 32,395,754,589 (Within Confidence Interval)
State Upper Limit: 35,789,996,849 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 34,302,072,842 (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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