2010 Confidence Interval Detail
222/Terrell
222-901/Terrell County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,736,216 | 0.8554 | 5,536,844 | 12 | 205 | .026468919 |
| A | 4,608,093 | 0.9627 | 4,786,634 | 10 | 96 | .012842837 |
| A | 5,564,806 | 0.9629 | 5,779,215 | 14 | 77 | .005462121 |
| A | 5,548,460 | 0.9461 | 5,864,560 | 12 | 48 | .011837614 |
| G1 | 120,475,089 | 1.0103 | 119,246,846 | 10 | 257 | .014124553 |
| G1 | 122,167,673 | 1.0160 | 120,243,773 | 9 | 65 | .001342091 |
| G1 | 120,765,559 | 0.9895 | 122,047,053 | 8 | 30 | .001216280 |
| G1 | 117,022,415 | 1.0145 | 115,349,842 | 6 | 14 | .002184486 |
| Random Totals: | 500,888,311 | 498,854,767 | 81 | 792 | ||
| Catg J Exception Values: | 25,953,071 | 26,550,212 | ||||
| Catg D1 Exception Values: | 16,250,283 | 24,357,146 | ||||
| Total Test Values (4): | 543,091,665 | 549,762,125 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 27,488,106 |
Confidence Interval Values (5)
| State Lower Limit: | 522,274,019 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 543,091,665 | (Within Confidence Interval) |
| State Upper Limit: | 577,250,231 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 642,754,072 | (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