2008 Confidence Interval Detail
212/Smith
212-902/Bullard ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 93,439,300 | 1.0228 | 91,356,375 | 14 | 1,006 | .018606636 |
| A | 114,658,900 | 0.9499 | 120,706,285 | 15 | 639 | .011187693 |
| A | 115,363,200 | 0.9921 | 116,281,826 | 22 | 420 | .002814553 |
| A | 117,118,200 | 0.9615 | 121,807,800 | 9 | 253 | .006520498 |
| C | 5,590,300 | 1.1837 | 4,722,734 | 16 | 733 | .229946139 |
| C | 6,190,650 | 0.8659 | 7,149,382 | 18 | 199 | .101189091 |
| C | 4,311,100 | 0.7790 | 5,534,146 | 8 | 51 | .107666414 |
| C | 3,796,700 | 0.9859 | 3,850,999 | 6 | 15 | .000730242 |
| D3 | 37,624,000 | 1.1024 | 34,129,173 | 18 | 1,094 | .096849513 |
| Random Totals: | 498,092,350 | 505,538,720 | 126 | 4,410 | ||
| Catg D1 Exception Values: | 2,088,246 | 1,384,305 | ||||
| Total Test Values (4): | 500,180,596 | 506,923,025 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,346,151 |
Confidence Interval Values (5)
| State Lower Limit: | 481,576,874 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 500,180,596 | (Within Confidence Interval) |
| State Upper Limit: | 532,269,176 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 479,466,082 | (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