2007 Confidence Interval Detail
163/Medina
163-908/Medina Valley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 121,935,265 | 0.9771 | 124,793,025 | 7 | 1,989 | .022821678 |
| A | 121,936,566 | 0.9412 | 129,554,363 | 7 | 958 | .007803070 |
| A | 121,924,335 | 1.0343 | 117,881,016 | 8 | 631 | .003405595 |
| A | 121,829,944 | 0.9905 | 122,998,429 | 7 | 376 | .001988411 |
| C | 17,216,436 | 1.1065 | 15,559,364 | 7 | 903 | .012072330 |
| C | 16,549,832 | 0.8015 | 20,648,574 | 8 | 501 | .146366171 |
| C | 16,785,257 | 0.9602 | 17,481,001 | 8 | 349 | .018620605 |
| C | 16,634,762 | 0.9922 | 16,765,533 | 8 | 154 | .001850951 |
| D3 | 121,563,228 | 0.9951 | 122,161,821 | 36 | 162,797 | .219338689 |
| F1 | 11,377,762 | 0.9449 | 12,041,234 | 7 | 98 | .013039199 |
| F1 | 12,034,385 | 0.9759 | 12,331,576 | 6 | 42 | .002500530 |
| F1 | 11,514,382 | 0.9637 | 11,948,098 | 6 | 15 | .004186296 |
| Random Totals: | 711,302,154 | 724,164,034 | 115 | 168,813 | ||
| Catg D1 Exception Values: | 19,473,807 | 18,328,478 | ||||
| Catg F1 Exception Values: | 37,208,990 | 38,340,128 | ||||
| Total Test Values (4): | 767,984,951 | 780,832,640 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 39,041,632 |
Confidence Interval Values (5)
| State Lower Limit: | 741,791,008 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 767,984,951 | (Within Confidence Interval) |
| State Upper Limit: | 819,874,272 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 771,815,036 | (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