2007 Confidence Interval Detail
126/Johnson
126-908/Venus ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 31,189,459 | 0.9288 | 33,580,382 | 19 | 571 | .043255739 |
| A | 31,081,703 | 1.0358 | 30,007,437 | 16 | 385 | .047887736 |
| A | 31,151,035 | 0.9555 | 32,601,816 | 16 | 306 | .023052373 |
| A | 31,058,945 | 1.0048 | 30,910,574 | 38 | 206 | .016851272 |
| C | 5,977,960 | 0.9400 | 6,359,532 | 9 | 447 | .114666000 |
| C | 3,833,654 | 0.9106 | 4,210,031 | 11 | 238 | .031098993 |
| C | 6,388,462 | 1.0584 | 6,035,962 | 11 | 265 | .071692730 |
| C | 3,276,737 | 1.0557 | 3,103,852 | 10 | 92 | .149814616 |
| D3 | 18,024,110 | 1.0239 | 17,603,389 | 22 | 513 | .176017178 |
| G1 | 54,132,273 | 1.0074 | 53,734,637 | 17 | 33 | .004099429 |
| Random Totals: | 216,114,338 | 218,147,612 | 169 | 3,056 | ||
| Catg J Exception Values: | 7,121,271 | 7,023,775 | ||||
| Catg D1 Exception Values: | 1,571,398 | 2,144,549 | ||||
| Total Test Values (4): | 224,807,007 | 227,315,936 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 11,365,797 |
Confidence Interval Values (5)
| State Lower Limit: | 215,950,139 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 224,807,007 | (Within Confidence Interval) |
| State Upper Limit: | 238,681,733 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 253,646,875 | (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