2011 Confidence Interval Detail
240/Webb
240-903/United ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,171,372,402 | 1.1385 | 1,028,873,432 | 22 | 13,384 | .052651049 |
| A | 973,933,639 | 0.9946 | 979,221,435 | 22 | 7,417 | .026205234 |
| A | 1,124,169,291 | 1.0335 | 1,087,730,325 | 25 | 6,097 | .022938238 |
| A | 1,071,928,696 | 1.1123 | 963,704,662 | 22 | 3,061 | .064181599 |
| C | 73,377,377 | 1.0402 | 70,541,604 | 18 | 3,290 | .066495043 |
| C | 83,140,807 | 0.5090 | 163,341,468 | 21 | 1,627 | .515761071 |
| C | 83,107,507 | 1.0118 | 82,138,275 | 21 | 385 | .049908954 |
| C | 80,965,883 | 1.0758 | 75,261,092 | 10 | 95 | .118424784 |
| D3 | 271,412,289 | 0.4001 | 678,361,132 | 16 | 7,792 | .199914394 |
| F1 | 559,102,470 | 1.0192 | 548,569,927 | 35 | 1,436 | .207132796 |
| F1 | 569,633,400 | 0.9069 | 628,110,486 | 16 | 476 | .096629099 |
| F1 | 522,041,965 | 0.9104 | 573,420,436 | 9 | 178 | .035605475 |
| F1 | 524,697,079 | 0.9634 | 544,630,557 | 8 | 53 | .011732290 |
| G1 | 451,497,534 | 0.9762 | 462,505,157 | 10 | 1,009 | .038020233 |
| G1 | 452,767,256 | 0.9946 | 455,225,474 | 9 | 113 | .012756376 |
| G1 | 451,662,060 | 1.0002 | 451,571,746 | 6 | 42 | .007215173 |
| G1 | 448,179,727 | 0.9928 | 451,430,023 | 7 | 22 | .006622217 |
| L1 | 160,534,440 | 0.9393 | 170,908,592 | 10 | 1,367 | .030618364 |
| L1 | 145,302,270 | 0.9889 | 146,933,229 | 10 | 260 | .004984473 |
| L1 | 195,432,280 | 1.0212 | 191,375,127 | 9 | 97 | .006381749 |
| L1 | 144,665,080 | 0.9328 | 155,086,921 | 7 | 20 | .011436189 |
| Random Totals: | 9,558,923,452 | 9,908,941,100 | 313 | 48,221 | ||
| Catg D1 Exception Values: | 74,814,693 | 162,035,317 | ||||
| Total Test Values (4): | 9,633,738,145 | 10,070,976,417 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 503,548,821 |
Confidence Interval Values (5)
| State Lower Limit: | 9,567,427,596 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 9,633,738,145 | (Within Confidence Interval) |
| State Upper Limit: | 10,574,525,238 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 10,657,666,774 | (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