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2006 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 429,525,938 1.0108 424,936,622 72 10,693 .039652921
A 429,348,386 0.9419 455,832,239 81 5,920 .018296750
A 429,430,905 0.9716 441,983,229 79 3,779 .017450856
A 429,355,950 0.9503 451,810,954 51 1,740 .026969138
B 73,612,401 0.9844 74,778,953 16 497 .018498499
B 74,604,258 0.9492 78,596,985 7 91 .001918553
B 73,926,149 0.9657 76,551,878 6 26 .004571072
B 72,257,411 0.9753 74,087,369 4 10 .002063119
F1 217,819,202 1.1163 195,126,043 10 949 .046902012
F1 219,303,301 1.0414 210,585,079 11 231 .010231526
F1 220,599,637 0.9899 222,850,426 6 73 .001323586
F1 213,480,989 0.9698 220,128,881 5 21 .002017891
L1 126,024,030 1.0119 124,541,980 7 1,226 .001787102
L1 125,926,970 1.0363 121,515,941 7 266 .005446582
L1 125,823,988 0.9946 126,507,126 8 96 .000209241
L1 125,472,428 0.9880 126,996,385 6 27 .000584087
Random Totals: 3,386,511,943   3,426,830,090 376 25,645  
Catg D1 Exception Values: 1,071,915   1,259,345      
Total Test Values (4): 3,387,583,858   3,428,089,435      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 171,404,472

Confidence Interval Values (5)

State Lower Limit: 3,256,684,963 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,387,583,858 (Within Confidence Interval)
State Upper Limit: 3,599,493,907 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,357,331,258 (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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