2009 Confidence Interval Detail
163/Medina
163-901/Devine ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 33,508,950 | 0.9045 | 37,046,932 | 7 | 748 | .023332833 |
| A | 34,559,080 | 0.9778 | 35,343,710 | 10 | 447 | .166547455 |
| A | 34,727,650 | 0.9209 | 37,710,555 | 7 | 295 | .011214928 |
| A | 35,278,570 | 1.0721 | 32,906,044 | 7 | 180 | .014067021 |
| D3 | 76,930,809 | 0.9327 | 82,481,837 | 16 | 2,745 | .051231753 |
| F1 | 7,231,640 | 1.0257 | 7,050,444 | 7 | 99 | .077691675 |
| F1 | 8,035,670 | 0.8156 | 9,852,464 | 6 | 38 | .048100343 |
| F1 | 8,145,470 | 1.0921 | 7,458,539 | 5 | 17 | .056550689 |
| F1 | 4,887,870 | 0.9424 | 5,186,619 | 3 | 4 | .041334388 |
| Random Totals: | 243,305,709 | 255,037,144 | 68 | 4,573 | ||
| Catg D1 Exception Values: | 9,081,676 | 8,870,970 | ||||
| Total Test Values (4): | 252,387,385 | 263,908,114 |
Margin of Error
| Margin of Error Percent: | 5.4937875 |
|---|---|
| Margin of Error Value: | 14,498,551 |
Confidence Interval Values (5)
| State Lower Limit: | 249,409,563 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 252,387,385 | (Within Confidence Interval) |
| State Upper Limit: | 278,406,665 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 262,712,974 | (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