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2010 Confidence Interval Detail
161/McLennan
161-914/Waco ISD

Category Summary

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

Stratum
Variance
A 450,364,468 0.9275 485,568,160 74 9,994 .059739066
A 460,575,878 0.9982 461,406,410 74 5,813 .014691498
A 500,214,603 0.9832 508,761,801 75 4,019 .021552899
A 512,802,487 0.9827 521,830,149 69 1,980 .035609080
B 98,927,688 0.9519 103,926,555 13 555 .036577296
B 92,157,801 0.9234 99,802,687 10 84 .019113451
B 92,231,625 0.9327 98,886,700 7 22 .023264393
B 102,945,967 0.9759 105,488,233 5 8 .000129943
F1 272,322,449 0.8675 313,916,368 10 950 .005953844
F1 276,283,570 0.9047 305,386,946 10 232 .057691154
F1 280,829,361 0.8834 317,896,039 11 82 .011326423
F1 232,136,932 0.9894 234,623,946 7 16 .001874092
L1 127,617,903 1.0835 117,783,021 10 1,116 .006285105
L1 130,823,282 1.0241 127,744,636 10 228 .011520468
L1 122,646,190 1.0116 121,239,808 9 66 .039114629
L1 106,318,032 1.0315 103,071,286 6 15 .005089673
Random Totals: 3,859,198,236   4,027,332,745 400 25,180  
Catg J Exception Values: 80,925,263   78,006,681      
Catg D1 Exception Values: 1,146,573   1,287,620      
Total Test Values (4): 3,941,270,072   4,106,627,046      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 205,331,352

Confidence Interval Values (5)

State Lower Limit: 3,901,295,694 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,941,270,072 (Within Confidence Interval)
State Upper Limit: 4,311,958,398 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,674,465,910 (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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