2009 Confidence Interval Detail
101/Harris
101-916/La Porte ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 403,077,110 | 0.9514 | 423,667,343 | 33 | 4,113 | .025244705 |
| A | 380,909,788 | 1.0028 | 379,846,219 | 32 | 3,122 | .015795036 |
| A | 351,921,335 | 1.0170 | 346,038,677 | 31 | 2,328 | .021922652 |
| A | 364,750,551 | 0.9738 | 374,564,131 | 32 | 1,523 | .026626023 |
| F1 | 162,853,781 | 0.9779 | 166,534,187 | 10 | 299 | .005528455 |
| F1 | 195,875,509 | 0.9670 | 202,559,989 | 8 | 76 | .002465328 |
| F1 | 156,535,973 | 1.0167 | 153,964,761 | 5 | 17 | .001434168 |
| F1 | 205,665,100 | 1.0012 | 205,418,598 | 3 | 8 | .000751080 |
| L1 | 96,947,739 | 0.8413 | 115,235,634 | 7 | 393 | .039091977 |
| L1 | 111,113,817 | 0.9864 | 112,645,800 | 6 | 80 | .003784660 |
| L1 | 85,106,881 | 1.0373 | 82,046,545 | 6 | 24 | .138234267 |
| L1 | 173,325,493 | 0.9321 | 185,951,607 | 4 | 16 | .020130153 |
| Random Totals: | 2,688,083,077 | 2,748,473,491 | 177 | 11,999 | ||
| Catg D1 Exception Values: | 2,123,485 | 1,541,180 | ||||
| Total Test Values (4): | 2,690,206,562 | 2,750,014,671 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 137,500,734 |
Confidence Interval Values (5)
| State Lower Limit: | 2,612,513,937 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,690,206,562 | (Within Confidence Interval) |
| State Upper Limit: | 2,887,515,405 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,149,247,591 | (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