2008 Confidence Interval Detail
126/Johnson
126-904/Grandview ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,585,068 | 0.9769 | 20,048,181 | 11 | 351 | .008568280 |
| A | 21,346,902 | 0.9683 | 22,045,752 | 7 | 245 | .000920144 |
| A | 21,148,147 | 0.9569 | 22,100,687 | 12 | 163 | .006509371 |
| A | 22,183,328 | 0.9724 | 22,812,966 | 8 | 115 | .002454178 |
| D3 | 82,955,901 | 0.9703 | 85,495,106 | 24 | 1,781 | .002376550 |
| G1 | 26,393,370 | 0.7713 | 34,219,331 | 7 | 32 | .273023407 |
| G1 | 26,883,934 | 1.0017 | 26,838,309 | 5 | 18 | .000130276 |
| G1 | 26,645,069 | 1.0323 | 25,811,362 | 4 | 12 | .001600514 |
| G1 | 25,274,128 | 1.0134 | 24,939,933 | 4 | 8 | .002361346 |
| Random Totals: | 272,415,847 | 284,311,627 | 82 | 2,725 | ||
| Catg J Exception Values: | 6,143,068 | 6,052,845 | ||||
| Catg D1 Exception Values: | 4,177,197 | 4,183,684 | ||||
| Total Test Values (4): | 282,736,112 | 294,548,156 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 14,727,408 |
Confidence Interval Values (5)
| State Lower Limit: | 279,820,748 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 282,736,112 | (Within Confidence Interval) |
| State Upper Limit: | 309,275,564 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 348,304,614 | (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