2009 Confidence Interval Detail
163/Medina
163-903/Natalia ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,735,130 | 0.9470 | 18,727,698 | 7 | 481 | .041437464 |
| A | 17,558,690 | 1.0001 | 17,556,934 | 5 | 251 | .038145411 |
| A | 19,097,230 | 1.0231 | 18,666,044 | 6 | 150 | .003562777 |
| A | 21,088,120 | 1.0777 | 19,567,709 | 6 | 89 | .015328908 |
| C | 3,911,290 | 0.8400 | 4,656,298 | 7 | 197 | .060353848 |
| C | 3,016,520 | 0.9654 | 3,124,632 | 7 | 100 | .000210297 |
| C | 4,656,410 | 0.9946 | 4,681,691 | 7 | 125 | .006028900 |
| C | 2,899,650 | 1.0576 | 2,741,727 | 6 | 60 | .052210731 |
| D3 | 54,576,940 | 0.9228 | 59,142,761 | 17 | 2,127 | .048570895 |
| Random Totals: | 144,539,980 | 148,865,494 | 68 | 3,580 | ||
| Catg D1 Exception Values: | 2,736,440 | 2,712,684 | ||||
| Total Test Values (4): | 147,276,420 | 151,578,178 |
Margin of Error
| Margin of Error Percent: | 5.2171712 |
|---|---|
| Margin of Error Value: | 7,908,093 |
Confidence Interval Values (5)
| State Lower Limit: | 143,670,085 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 147,276,420 | (Within Confidence Interval) |
| State Upper Limit: | 159,486,271 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 138,400,189 | (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