2007 Confidence Interval Detail
154/Madison
154-903/North Zulch ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,086,484 | 1.0230 | 3,017,091 | 10 | 104 | .139578799 |
| A | 3,130,525 | 0.9811 | 3,190,832 | 7 | 61 | .047104843 |
| A | 3,064,755 | 0.8391 | 3,652,431 | 11 | 37 | .012355601 |
| A | 3,058,704 | 0.9214 | 3,319,627 | 8 | 23 | .022701900 |
| D3 | 27,843,210 | 0.9532 | 29,210,250 | 20 | 1,560 | .058358114 |
| G1 | 6,089,279 | 1.0082 | 6,039,753 | 6 | 32 | .011715069 |
| G1 | 6,492,604 | 1.0489 | 6,189,917 | 6 | 15 | .003531550 |
| G1 | 5,554,955 | 0.8421 | 6,596,550 | 2 | 6 | .084504583 |
| Random Totals: | 58,320,516 | 61,216,451 | 70 | 1,838 | ||
| Catg J Exception Values: | 5,947,011 | 5,936,822 | ||||
| Catg D1 Exception Values: | 2,979,067 | 2,854,048 | ||||
| Catg G1 Exception Values: | 12,956,238 | 12,827,012 | ||||
| Total Test Values (4): | 80,202,832 | 82,834,333 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 4,141,717 |
Confidence Interval Values (5)
| State Lower Limit: | 78,692,616 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 80,202,832 | (Within Confidence Interval) |
| State Upper Limit: | 86,976,050 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 113,012,173 | (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