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220/Tarrant
2017 Confidence Interval Detail
220/Tarrant
220-908/Mansfield ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,778,184,886 | 0.9403 | 1,891,082,512 | 255 | 11,101 | .007425231 |
| A | 2,419,330,963 | 0.9558 | 2,531,210,466 | 262 | 11,607 | .005090981 |
| A | 2,568,457,686 | 0.9640 | 2,664,375,193 | 244 | 9,656 | .006018359 |
| A | 3,207,740,374 | 0.9821 | 3,266,205,452 | 218 | 8,179 | .007675413 |
| B | 143,800,960 | 1.0947 | 131,361,067 | 27 | 768 | .177434523 |
| B | 53,950,116 | 0.9782 | 55,152,439 | 5 | 4 | .018661445 |
| B | 68,333,323 | 0.9613 | 71,084,285 | 4 | 3 | .005916803 |
| B | 432,293,761 | 1.0354 | 417,513,773 | 2 | 11 | .001389920 |
| F1 | 299,349,192 | 0.8880 | 337,104,946 | 12 | 471 | .038681452 |
| F1 | 327,299,084 | 0.8898 | 367,834,439 | 9 | 187 | .047789912 |
| F1 | 365,391,106 | 0.9304 | 392,724,748 | 11 | 87 | .025213190 |
| F1 | 428,346,110 | 0.8838 | 484,664,076 | 8 | 29 | .027039010 |
| L1 | 118,012,741 | 1.0209 | 115,596,769 | 11 | 459 | .032340264 |
| L1 | 116,266,578 | 1.0445 | 111,313,143 | 10 | 107 | .040352299 |
| L1 | 145,787,842 | 0.9940 | 146,667,849 | 8 | 41 | .016513586 |
| L1 | 144,422,315 | 0.9814 | 147,159,481 | 5 | 12 | .009304811 |
| Random Totals: | 12,616,967,037 | 13,131,050,638 | 1,091 | 42,722 | ||
| Catg D1 Exception Values: | 824,087 | 499,371 | ||||
| Catg L1 Exception Values: | 447,975,876 | 445,581,770 | ||||
| Total Test Values (4): | 13,065,767,000 | 13,577,131,779 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 678,856,588 |
Confidence Interval Values (5)
| State Lower Limit: | 12,898,275,191 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,065,767,000 | (Within Confidence Interval) |
| State Upper Limit: | 14,255,988,367 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,129,240,458 | (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