2009 Confidence Interval Detail
212/Smith
212-905/Tyler ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 895,931,699 | 0.9509 | 942,193,395 | 73 | 11,931 | .030003048 |
| A | 896,004,944 | 0.9644 | 929,080,199 | 75 | 6,871 | .014796923 |
| A | 925,023,725 | 0.9619 | 961,663,089 | 73 | 4,612 | .013527009 |
| A | 956,530,438 | 0.9772 | 978,848,176 | 70 | 2,304 | .008283072 |
| B | 95,009,934 | 0.9037 | 105,134,374 | 23 | 821 | .020356400 |
| B | 93,520,090 | 0.9673 | 96,681,578 | 7 | 73 | .012591169 |
| B | 87,410,633 | 0.9666 | 90,431,029 | 5 | 15 | .000500132 |
| B | 133,466,856 | 0.9759 | 136,762,840 | 4 | 10 | .000432205 |
| F1 | 419,591,523 | 0.9297 | 451,319,268 | 14 | 1,431 | .004826008 |
| F1 | 425,704,468 | 1.0092 | 421,823,690 | 7 | 385 | .007294297 |
| F1 | 430,604,453 | 0.9458 | 455,280,665 | 7 | 136 | .013141118 |
| F1 | 409,006,688 | 1.0516 | 388,937,512 | 6 | 42 | .002962341 |
| L1 | 160,220,421 | 1.0216 | 156,832,832 | 9 | 1,481 | .001686339 |
| L1 | 173,102,568 | 1.0065 | 171,984,668 | 8 | 323 | .001988767 |
| L1 | 196,070,637 | 0.9972 | 196,621,176 | 6 | 111 | .002904681 |
| L1 | 240,317,511 | 1.0001 | 240,293,482 | 4 | 23 | .004072957 |
| Random Totals: | 6,537,516,588 | 6,723,887,973 | 391 | 30,569 | ||
| Catg D1 Exception Values: | 11,751,008 | 9,205,597 | ||||
| Total Test Values (4): | 6,549,267,596 | 6,733,093,570 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 336,654,679 |
Confidence Interval Values (5)
| State Lower Limit: | 6,396,438,891 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,549,267,596 | (Within Confidence Interval) |
| State Upper Limit: | 7,069,748,249 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,995,025,898 | (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