2007 Confidence Interval Detail
015/Bexar
015-911/East Central ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 248,706,281 | 0.9448 | 263,236,961 | 38 | 3,255 | .020915863 |
| A | 248,442,611 | 0.9867 | 251,791,437 | 52 | 2,326 | .010645833 |
| A | 248,525,388 | 0.9983 | 248,948,601 | 39 | 1,777 | .012369654 |
| A | 248,398,266 | 0.9958 | 249,445,939 | 55 | 1,154 | .014714433 |
| D3 | 163,248,928 | 0.9744 | 167,537,898 | 21 | 5,435 | .007781594 |
| F1 | 51,380,523 | 0.8491 | 60,511,745 | 7 | 303 | .042363954 |
| F1 | 51,948,068 | 0.9316 | 55,762,203 | 9 | 108 | .032069403 |
| F1 | 51,611,754 | 0.9047 | 57,048,474 | 6 | 39 | .011008156 |
| F1 | 50,576,098 | 0.8931 | 56,629,826 | 6 | 11 | .024932800 |
| L1 | 42,591,148 | 1.0392 | 40,984,554 | 7 | 239 | .035694756 |
| L1 | 43,105,136 | 1.0356 | 41,623,345 | 6 | 40 | .020164595 |
| L1 | 46,683,797 | 1.0238 | 45,598,551 | 5 | 13 | .002587178 |
| L1 | 35,796,548 | 1.0100 | 35,442,127 | 3 | 4 | .111034751 |
| Random Totals: | 1,531,014,546 | 1,574,561,661 | 254 | 14,704 | ||
| Catg D1 Exception Values: | 7,194,087 | 9,872,979 | ||||
| Total Test Values (4): | 1,538,208,633 | 1,584,434,640 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 79,221,732 |
Confidence Interval Values (5)
| State Lower Limit: | 1,505,212,908 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,538,208,633 | (Within Confidence Interval) |
| State Upper Limit: | 1,663,656,372 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,623,894,030 | (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