2011 Confidence Interval Detail
225/Titus
225-905/Winfield ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,730,873 | 0.9643 | 2,831,974 | 15 | 84 | .106066814 |
| A | 2,168,618 | 0.9904 | 2,189,639 | 10 | 35 | .014786017 |
| A | 2,418,461 | 0.9128 | 2,649,497 | 14 | 25 | .017310495 |
| A | 1,694,957 | 0.9472 | 1,789,439 | 11 | 10 | .006958699 |
| D3 | 9,460,576 | 0.9378 | 10,088,053 | 15 | 497 | .044082436 |
| F1 | 3,361,843 | 0.8704 | 3,862,412 | 11 | 42 | .080774860 |
| Random Totals: | 21,835,328 | 23,411,014 | 76 | 693 | ||
| Catg J Exception Values: | 60,734 | 56,160 | ||||
| Catg D1 Exception Values: | 2,133,014 | 1,778,818 | ||||
| Total Test Values (4): | 24,029,076 | 25,245,992 |
Margin of Error
| Margin of Error Percent: | 5.1479894 |
|---|---|
| Margin of Error Value: | 1,299,661 |
Confidence Interval Values (5)
| State Lower Limit: | 23,946,331 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 24,029,076 | (Within Confidence Interval) |
| State Upper Limit: | 26,545,653 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 61,097,655 | (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