2011 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 | 39,353,019 | 1.1721 | 33,574,797 | 7 | 754 | .030872395 |
| A | 36,456,875 | 1.1652 | 31,288,084 | 8 | 457 | .083687459 |
| A | 36,984,731 | 1.0215 | 36,206,296 | 15 | 333 | .010371894 |
| A | 39,485,338 | 1.0404 | 37,952,074 | 7 | 254 | .019436987 |
| G1 | 23,200,320 | 0.9945 | 23,328,627 | 11 | 60 | .005828038 |
| G1 | 23,187,946 | 0.9870 | 23,493,360 | 9 | 32 | .005024895 |
| G1 | 22,379,013 | 1.0338 | 21,647,333 | 7 | 21 | .016811462 |
| G1 | 22,228,284 | 1.0264 | 21,656,551 | 6 | 13 | .025223643 |
| Random Totals: | 243,275,526 | 229,147,122 | 70 | 1,924 | ||
| Catg J Exception Values: | 465,429 | 556,635 | ||||
| Catg D1 Exception Values: | 1,618,405 | 1,869,574 | ||||
| Total Test Values (4): | 245,359,360 | 231,573,331 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 11,578,667 |
Confidence Interval Values (5)
| State Lower Limit: | 219,994,664 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 243,151,998 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 245,359,360 | (Outside Confidence Interval) |
| Value Assigned (6): | 342,679,778 | (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