2009 Confidence Interval Detail
086/Gillespie
086-901/Fredericksburg ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 267,255,502 | 0.9847 | 271,408,045 | 50 | 1,899 | .007916338 |
| A | 281,709,883 | 1.0302 | 273,451,643 | 37 | 1,410 | .010705433 |
| A | 264,570,336 | 0.9630 | 274,735,551 | 34 | 1,005 | .013939033 |
| A | 258,183,791 | 0.9930 | 260,003,818 | 17 | 623 | .002922632 |
| D3 | 776,219,765 | 0.9997 | 776,452,701 | 65 | 15,012 | .019229664 |
| F1 | 120,566,922 | 0.8879 | 135,788,852 | 7 | 537 | .017614888 |
| F1 | 97,854,290 | 0.9629 | 101,624,561 | 7 | 176 | .026808545 |
| F1 | 101,079,213 | 1.0548 | 95,827,847 | 6 | 85 | .007514784 |
| F1 | 104,920,184 | 1.0653 | 98,488,861 | 6 | 29 | .003822331 |
| Random Totals: | 2,272,359,886 | 2,287,781,879 | 229 | 20,776 | ||
| Catg D1 Exception Values: | 31,725,378 | 33,478,628 | ||||
| Total Test Values (4): | 2,304,085,264 | 2,321,260,507 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 116,063,025 |
Confidence Interval Values (5)
| State Lower Limit: | 2,205,197,482 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,304,085,264 | (Within Confidence Interval) |
| State Upper Limit: | 2,437,323,532 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,280,446,086 | (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