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079/Fort Bend
2018 Confidence Interval Detail
079/Fort Bend
079-907/Fort Bend ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,388,126,228 | 0.9679 | 8,666,314,937 | 50 | 50,282 | .005107725 |
| A | 8,345,070,336 | 0.9799 | 8,516,246,899 | 50 | 32,090 | .006807617 |
| A | 8,051,235,690 | 1.0019 | 8,035,967,352 | 50 | 21,405 | .005023558 |
| A | 7,878,526,844 | 0.9782 | 8,054,106,363 | 50 | 11,794 | .017243540 |
| B | 893,572,450 | 0.8118 | 1,100,729,798 | 20 | 50 | .004864121 |
| C1 | 455,996,799 | 0.8856 | 514,901,535 | 31 | 2,146 | .038428380 |
| F1 | 2,109,272,099 | 0.7962 | 2,649,173,699 | 15 | 1,255 | .051395979 |
| F1 | 2,102,370,019 | 0.7540 | 2,788,289,150 | 16 | 174 | .031736402 |
| L1 | 319,534,885 | 1.3993 | 228,353,380 | 9 | 3,584 | .097524985 |
| L1 | 295,285,173 | 1.0432 | 283,057,106 | 7 | 412 | .020726591 |
| L1 | 281,017,606 | 1.0653 | 263,791,989 | 10 | 98 | .021723032 |
| L1 | 309,583,320 | 0.9438 | 328,017,928 | 9 | 35 | .023813768 |
| Random Totals: | 39,429,591,449 | 41,428,950,136 | 317 | 123,325 | ||
| Catg J Exception Values: | 167,713,900 | 179,878,895 | ||||
| Catg D1 Exception Values: | 3,960,490 | 3,567,766 | ||||
| Total Test Values (4): | 39,601,265,839 | 41,612,396,797 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,080,619,839 |
Confidence Interval Values (5)
| State Lower Limit: | 39,531,776,958 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 39,601,265,839 | (Within Confidence Interval) |
| State Upper Limit: | 43,693,016,636 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 38,766,559,992 | (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