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091/Grayson
2016 Confidence Interval Detail
091/Grayson
091-909/Whitesboro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 61,422,014 | 0.9290 | 66,116,269 | 34 | 1,187 | .030979706 |
| A | 84,018,002 | 0.9377 | 89,600,087 | 23 | 899 | .020543549 |
| A | 81,630,066 | 0.9721 | 83,972,910 | 22 | 535 | .004495673 |
| A | 110,614,407 | 1.0525 | 105,096,824 | 14 | 353 | .005295159 |
| C1 | 15,666,633 | 0.9366 | 16,727,133 | 10 | 505 | .056418049 |
| C1 | 15,007,427 | 1.0295 | 14,577,394 | 11 | 332 | .011668032 |
| C1 | 15,918,749 | 0.8993 | 17,701,267 | 10 | 202 | .014324818 |
| C1 | 14,538,329 | 1.0881 | 13,361,207 | 9 | 81 | .024091167 |
| E | 134,617,252 | 0.9872 | 136,362,694 | 21 | 995 | .009427350 |
| F1 | 14,352,748 | 0.7379 | 19,450,804 | 10 | 107 | .110447957 |
| F1 | 14,172,041 | 0.7615 | 18,610,691 | 10 | 31 | .080554032 |
| F1 | 13,942,475 | 0.9987 | 13,960,624 | 6 | 17 | .002681969 |
| F1 | 21,227,225 | 0.7532 | 28,182,720 | 4 | 9 | .128301082 |
| G1 | 10,314,068 | 1.0214 | 10,097,971 | 9 | 33 | .007314430 |
| G1 | 9,692,711 | 1.0061 | 9,633,944 | 4 | 6 | .025565003 |
| G1 | 11,705,346 | 1.0002 | 11,703,005 | 2 | 3 | .004430937 |
| Random Totals: | 628,839,493 | 655,155,544 | 199 | 5,295 | ||
| Catg D1 Exception Values: | 4,192,757 | 3,303,162 | ||||
| Catg G1 Exception Values: | 7,526,129 | 7,195,905 | ||||
| Total Test Values (4): | 640,558,379 | 665,654,611 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 33,282,730 |
Confidence Interval Values (5)
| State Lower Limit: | 632,371,881 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 640,558,379 | (Within Confidence Interval) |
| State Upper Limit: | 698,937,341 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 646,758,876 | (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