2008 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 | 93,848,228 | 1.0363 | 90,560,868 | 15 | 1,709 | .022949397 |
| A | 94,273,636 | 1.0152 | 92,862,132 | 28 | 1,123 | .022801903 |
| A | 111,786,818 | 0.9631 | 116,069,793 | 34 | 953 | .010179416 |
| A | 118,337,734 | 0.9722 | 121,721,594 | 34 | 568 | .003530110 |
| D3 | 124,120,793 | 0.9613 | 129,117,646 | 23 | 2,174 | .023843013 |
| F1 | 13,435,406 | 0.7697 | 17,455,380 | 8 | 112 | .036454601 |
| F1 | 15,608,852 | 0.8479 | 18,408,836 | 6 | 56 | .059801951 |
| F1 | 17,295,005 | 0.7691 | 22,487,329 | 6 | 31 | .010701140 |
| F1 | 16,361,970 | 0.8398 | 19,483,175 | 5 | 11 | .023960635 |
| G1 | 121,541,656 | 1.0170 | 119,509,986 | 10 | 76 | .000397217 |
| G1 | 119,652,197 | 1.0007 | 119,568,499 | 6 | 33 | .011115894 |
| G1 | 119,064,835 | 1.0484 | 113,568,137 | 5 | 22 | .055124468 |
| G1 | 116,747,717 | 1.0576 | 110,389,294 | 5 | 14 | .009474826 |
| Random Totals: | 1,082,074,847 | 1,091,202,669 | 185 | 6,882 | ||
| Catg J Exception Values: | 26,632,439 | 26,362,469 | ||||
| Catg D1 Exception Values: | 4,085,261 | 4,043,767 | ||||
| Total Test Values (4): | 1,112,792,547 | 1,121,608,905 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 56,080,445 |
Confidence Interval Values (5)
| State Lower Limit: | 1,065,528,460 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,112,792,547 | (Within Confidence Interval) |
| State Upper Limit: | 1,177,689,350 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,501,888,889 | (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