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220/Tarrant
2016 Confidence Interval Detail
220/Tarrant
220-905/Fort Worth ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,434,023,904 | 0.9339 | 4,747,857,270 | 824 | 53,606 | .030378293 |
| A | 4,433,943,763 | 0.9663 | 4,588,578,871 | 1,149 | 26,755 | .015715402 |
| A | 4,434,342,999 | 0.9532 | 4,652,059,378 | 670 | 13,022 | .014962340 |
| A | 4,433,478,582 | 0.9508 | 4,662,892,913 | 192 | 5,061 | .018427093 |
| B | 687,078,527 | 1.0147 | 677,124,793 | 12 | 3,475 | .031847311 |
| B | 769,505,135 | 1.1713 | 656,966,734 | 11 | 144 | .027492395 |
| B | 791,302,063 | 1.0795 | 733,026,459 | 11 | 53 | .008760572 |
| B | 1,068,216,750 | 1.0122 | 1,055,341,583 | 7 | 26 | .001156243 |
| C1 | 153,096,622 | 0.9863 | 155,223,180 | 10 | 6,299 | .004122529 |
| C1 | 159,656,638 | 0.8333 | 191,595,629 | 10 | 1,057 | .143738495 |
| C1 | 164,348,996 | 0.9717 | 169,135,532 | 9 | 400 | .011542587 |
| C1 | 163,268,839 | 0.9846 | 165,822,506 | 8 | 116 | .004865955 |
| F1 | 1,746,257,771 | 0.9652 | 1,809,218,577 | 11 | 3,854 | .005520746 |
| F1 | 1,781,101,124 | 0.9401 | 1,894,586,878 | 12 | 770 | .056489798 |
| F1 | 1,827,469,098 | 1.0217 | 1,788,655,278 | 10 | 182 | .030939268 |
| F1 | 1,604,405,067 | 0.9736 | 1,647,909,888 | 10 | 33 | .001926917 |
| G1 | 59,499,633 | 0.9844 | 60,442,537 | 14 | 379 | .035705395 |
| G1 | 59,141,950 | 1.0554 | 56,037,474 | 9 | 120 | .040030891 |
| G1 | 59,011,454 | 0.9629 | 61,285,132 | 9 | 70 | .017745311 |
| G1 | 59,061,906 | 1.0227 | 57,750,959 | 8 | 38 | .026969337 |
| L1 | 928,172,383 | 1.0784 | 860,693,975 | 10 | 2,613 | .038114950 |
| L1 | 817,033,241 | 0.9457 | 863,945,481 | 10 | 306 | .027270384 |
| L1 | 882,589,550 | 1.0255 | 860,643,150 | 9 | 89 | .001253143 |
| L1 | 587,255,867 | 0.9906 | 592,828,454 | 6 | 15 | .001082852 |
| Random Totals: | 32,103,261,862 | 33,009,622,631 | 3,031 | 118,483 | ||
| Catg J Exception Values: | 416,154,720 | 445,279,979 | ||||
| Catg D1 Exception Values: | 1,521,572 | 716,104 | ||||
| Total Test Values (4): | 32,520,938,154 | 33,455,618,714 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,672,780,935 |
Confidence Interval Values (5)
| State Lower Limit: | 31,782,837,779 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 32,520,938,154 | (Within Confidence Interval) |
| State Upper Limit: | 35,128,399,649 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 30,153,705,760 | (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