2008 Confidence Interval Detail
246/Williamson
246-911/Taylor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 103,854,182 | 0.9789 | 106,092,739 | 39 | 1,491 | .036729027 |
| A | 107,594,272 | 0.9783 | 109,980,857 | 38 | 1,061 | .018569501 |
| A | 112,107,846 | 1.0014 | 111,951,114 | 52 | 883 | .009109856 |
| A | 133,672,024 | 0.9410 | 142,053,160 | 32 | 699 | .014820835 |
| D3 | 47,831,699 | 0.8734 | 54,764,940 | 10 | 1,511 | .026246395 |
| F1 | 31,299,926 | 0.9876 | 31,692,918 | 8 | 191 | .145071916 |
| F1 | 31,435,745 | 1.1017 | 28,533,852 | 7 | 62 | .045476736 |
| F1 | 41,180,185 | 0.9980 | 41,262,710 | 5 | 20 | .000254814 |
| L1 | 13,156,768 | 0.9594 | 13,713,538 | 7 | 213 | .005330528 |
| L1 | 15,955,386 | 0.9903 | 16,111,669 | 7 | 45 | .001504779 |
| L1 | 15,768,036 | 1.0064 | 15,667,762 | 4 | 7 | .003549724 |
| Random Totals: | 653,856,069 | 671,825,259 | 209 | 6,183 | ||
| Catg D1 Exception Values: | 10,761,709 | 9,501,234 | ||||
| Catg F1 Exception Values: | 22,360,962 | 23,872,934 | ||||
| Total Test Values (4): | 686,978,740 | 705,199,427 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 35,259,971 |
Confidence Interval Values (5)
| State Lower Limit: | 669,939,456 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 686,978,740 | (Within Confidence Interval) |
| State Upper Limit: | 740,459,398 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 788,667,295 | (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