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228/Trinity
2017 Confidence Interval Detail
228/Trinity
228-901/Groveton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,113,935 | 0.9410 | 24,563,162 | 15 | 767 | .067243079 |
| A | 23,820,384 | 0.9461 | 25,177,448 | 17 | 389 | .038997636 |
| A | 28,413,224 | 1.0600 | 26,804,928 | 17 | 289 | .068354905 |
| A | 27,204,399 | 1.0051 | 27,066,361 | 15 | 120 | .029954723 |
| C1 | 3,610,413 | 0.9074 | 3,978,855 | 10 | 1,221 | .133877479 |
| C1 | 1,608,844 | 1.1273 | 1,427,166 | 12 | 349 | .159589497 |
| C1 | 7,863,851 | 0.7144 | 11,007,630 | 11 | 1,137 | 1.377099313 |
| C1 | 5,206,196 | 0.8228 | 6,327,414 | 10 | 162 | .411996007 |
| E | 76,029,942 | 0.9315 | 81,620,979 | 22 | 1,124 | .043150014 |
| Random Totals: | 196,871,188 | 207,973,943 | 129 | 5,558 | ||
| Catg J Exception Values: | 28,494,650 | 31,298,379 | ||||
| Catg D1 Exception Values: | 34,267,363 | 32,751,011 | ||||
| Total Test Values (4): | 259,633,201 | 272,023,333 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,601,166 |
Confidence Interval Values (5)
| State Lower Limit: | 258,422,167 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 259,633,201 | (Within Confidence Interval) |
| State Upper Limit: | 285,624,499 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 293,275,176 | (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, D2, E, 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