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091/Grayson
2016 Confidence Interval Detail
091/Grayson
091-918/Tom Bean ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,481,171 | 0.9763 | 22,002,633 | 10 | 326 | .015208489 |
| A | 26,243,724 | 0.9814 | 26,741,109 | 10 | 242 | .004874870 |
| A | 37,907,043 | 0.9659 | 39,245,308 | 9 | 240 | .019857990 |
| A | 66,192,828 | 1.0123 | 65,388,549 | 13 | 265 | .004979168 |
| E | 73,232,979 | 1.0455 | 70,045,891 | 19 | 552 | .011959675 |
| Random Totals: | 225,057,745 | 223,423,490 | 61 | 1,625 | ||
| Catg J Exception Values: | 2,665,721 | 2,881,511 | ||||
| Catg D1 Exception Values: | 3,085,143 | 2,592,362 | ||||
| Total Test Values (4): | 230,808,609 | 228,897,363 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,444,868 |
Confidence Interval Values (5)
| State Lower Limit: | 217,452,495 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 230,808,609 | (Within Confidence Interval) |
| State Upper Limit: | 240,342,231 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 188,364,175 | (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