2007 Confidence Interval Detail
050/Coryell
050-902/Gatesville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 87,989,676 | 0.9204 | 95,599,387 | 25 | 1,851 | .022112030 |
| A | 88,000,446 | 0.9487 | 92,758,982 | 33 | 1,144 | .017550581 |
| A | 87,912,737 | 0.9645 | 91,148,509 | 19 | 814 | .016569652 |
| A | 87,945,313 | 0.9913 | 88,717,152 | 25 | 485 | .016162596 |
| D3 | 51,604,334 | 0.9982 | 51,697,389 | 18 | 4,506 | .041451088 |
| F1 | 18,606,334 | 0.9639 | 19,303,179 | 9 | 171 | .002532550 |
| F1 | 18,833,672 | 1.0028 | 18,781,085 | 6 | 59 | .001134304 |
| F1 | 19,743,945 | 1.0099 | 19,550,396 | 5 | 18 | .000397395 |
| F1 | 16,643,001 | 0.9598 | 17,340,072 | 2 | 3 | .000434340 |
| L1 | 10,806,450 | 0.9815 | 11,010,138 | 7 | 197 | .003714450 |
| L1 | 10,889,096 | 0.9591 | 11,353,452 | 6 | 41 | .008518092 |
| L1 | 13,841,607 | 1.0041 | 13,785,088 | 4 | 10 | .000677046 |
| Random Totals: | 512,816,611 | 531,044,829 | 159 | 9,299 | ||
| Catg D1 Exception Values: | 20,375,007 | 18,023,755 | ||||
| Catg L1 Exception Values: | 6,627,630 | 6,561,801 | ||||
| Total Test Values (4): | 539,819,248 | 555,630,385 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 27,781,519 |
Confidence Interval Values (5)
| State Lower Limit: | 527,848,866 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 539,819,248 | (Within Confidence Interval) |
| State Upper Limit: | 583,411,904 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 515,905,016 | (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