2006 Confidence Interval Detail
126/Johnson
126-901/Alvarado ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 94,776,177 | 1.0260 | 92,374,442 | 25 | 1,602 | .043914347 |
| A | 95,059,064 | 0.9560 | 99,434,167 | 23 | 1,008 | .023166974 |
| A | 94,502,887 | 0.9868 | 95,767,012 | 21 | 763 | .014247773 |
| A | 94,761,039 | 0.9222 | 102,755,410 | 17 | 449 | .037753276 |
| C | 8,010,161 | 1.0465 | 7,654,239 | 10 | 661 | .181948876 |
| C | 7,964,217 | 1.0251 | 7,769,210 | 10 | 381 | .051840668 |
| C | 7,973,963 | 1.0647 | 7,489,399 | 10 | 274 | .097575794 |
| C | 7,942,615 | 1.1560 | 6,870,774 | 7 | 121 | .032027780 |
| D3 | 106,464,184 | 0.9618 | 110,692,643 | 19 | 2,104 | .046314257 |
| F1 | 11,343,325 | 0.6787 | 16,713,312 | 12 | 111 | .517587611 |
| F1 | 11,552,155 | 0.8832 | 13,079,886 | 10 | 47 | .067723863 |
| F1 | 11,656,998 | 0.8224 | 14,174,365 | 8 | 23 | .042489455 |
| F1 | 10,726,957 | 1.1569 | 9,272,156 | 4 | 7 | .047687921 |
| Random Totals: | 562,733,742 | 584,047,015 | 176 | 7,551 | ||
| Catg J Exception Values: | 20,129,059 | 19,897,919 | ||||
| Catg D1 Exception Values: | 4,222,699 | 4,531,782 | ||||
| Total Test Values (4): | 587,085,500 | 608,476,716 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 30,423,836 |
Confidence Interval Values (5)
| State Lower Limit: | 578,052,880 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 587,085,500 | (Within Confidence Interval) |
| State Upper Limit: | 638,900,552 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 675,301,320 | (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