2007 Confidence Interval Detail
070/Ellis
070-912/Waxahachie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 291,812,317 | 0.9044 | 322,658,466 | 7 | 3,369 | .007080766 |
| A | 291,653,463 | 0.9410 | 309,939,918 | 12 | 2,186 | .018231758 |
| A | 291,645,145 | 0.8682 | 335,919,310 | 8 | 1,619 | .041544254 |
| A | 291,684,151 | 0.9835 | 296,577,683 | 10 | 998 | .007811899 |
| D3 | 137,187,875 | 0.8668 | 158,269,353 | 14 | 3,480 | .035091892 |
| F1 | 71,170,693 | 0.9301 | 76,519,399 | 8 | 283 | .008779258 |
| F1 | 71,975,253 | 0.9735 | 73,934,518 | 6 | 86 | .010224762 |
| F1 | 74,264,102 | 0.9158 | 81,092,053 | 7 | 32 | .023016527 |
| F1 | 66,146,158 | 0.9786 | 67,592,641 | 6 | 7 | .003395023 |
| L1 | 33,189,616 | 1.0201 | 32,535,649 | 9 | 347 | .010659603 |
| L1 | 33,761,193 | 0.7437 | 45,396,253 | 8 | 62 | .103325474 |
| L1 | 32,806,013 | 1.0026 | 32,720,939 | 5 | 13 | .003419736 |
| L1 | 32,267,177 | 0.9870 | 32,692,175 | 3 | 4 | .000134049 |
| Random Totals: | 1,719,563,156 | 1,865,848,357 | 103 | 12,486 | ||
| Catg D1 Exception Values: | 12,199,151 | 12,790,558 | ||||
| Total Test Values (4): | 1,731,762,307 | 1,878,638,915 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 93,931,946 |
Confidence Interval Values (5)
| Local Test Value: | 1,731,762,307 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 1,784,706,969 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,972,570,861 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,487,401,094 | (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